Question

Which number will best complete the relationship given below? 4 : 128 :: 6 : ?

• A. 192
• B. 195
• C. 194
• D. 193

Answer 1

Answer:

A. 192

4th proportion eqn is

a : b : : c : d

then $d=\frac{b\times c}{a}$

=$\frac{128\times6}{4}=192$