Finding the Fourth Proportional to 194,689.16, 268,672 and 108,652
Calculator
Solution
The fourth proportional to 194,689.16, 268,672 and 108,652 is: 149,940.30
Step by Step Solution
- Step 1: Write the proportion equation
194,689.16 : 268,672 = 108,652 : x - Step 2: Convert to fraction form
194,689.16/268,672 = 108,652/x - Step 3: Cross multiply
194,689.16x = 268,672 × 108,652 - Step 4: Simplify right side
194,689.16x = 29,191,750,144 - Step 5: Solve for x
x = 29,191,750,144/194,689.16 - Step 6: Final answer
x = 149,940.30
Related Problems
Find fourth proportional to 97,344.58, 134,336 and 54,326
Half scale
Find fourth proportional to 389,378.32, 537,344 and 217,304
Double scale
Find fourth proportional to 194,690.16, 268,673.38 and 108,653
Similar ratio
Find fourth proportional to 292,033.74, 403,008 and 162,978
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.