proportionately

From proportionate +‎ -ly.

proportionately (comparative more proportionately, superlative most proportionately)

1. In a proportionate manner; with due proportion; proportionally.

• “proportionately”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.
• “proportionately”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.