proportionally

As adverbs the difference between equally and proportionally

is that equally is (manner) in an equal manner; in equal shares or proportion; with equal and impartial justice; without difference; alike; evenly; justly; as, equally taxed, furnished, etc while proportionally is in proportion; in due degree; adapted relatively.

As an adverb proportionally is

in proportion; in due degree; adapted relatively.

As adverbs the difference between proportionably and proportionally

is that proportionably is in a proportionable manner; proportionately while proportionally is in proportion; in due degree; adapted relatively.