Finding the Fourth Proportional to 121,882.68, 168,202.62 and 68,167.53
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Solution
The fourth proportional to 121,882.68, 168,202.62 and 68,167.53 is: 94,073.72
Step by Step Solution
- Step 1: Write the proportion equation
121,882.68 : 168,202.62 = 68,167.53 : x - Step 2: Convert to fraction form
121,882.68/168,202.62 = 68,167.53/x - Step 3: Cross multiply
121,882.68x = 168,202.62 × 68,167.53 - Step 4: Simplify right side
121,882.68x = 11,465,957,144.93 - Step 5: Solve for x
x = 11,465,957,144.93/121,882.68 - Step 6: Final answer
x = 94,073.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.