Finding the Fourth Proportional to 102,434.98, 141,369.57 and 62,158.96
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Solution
The fourth proportional to 102,434.98, 141,369.57 and 62,158.96 is: 85,785.01
Step by Step Solution
- Step 1: Write the proportion equation
102,434.98 : 141,369.57 = 62,158.96 : x - Step 2: Convert to fraction form
102,434.98/141,369.57 = 62,158.96/x - Step 3: Cross multiply
102,434.98x = 141,369.57 × 62,158.96 - Step 4: Simplify right side
102,434.98x = 8,787,385,446.85 - Step 5: Solve for x
x = 8,787,385,446.85/102,434.98 - Step 6: Final answer
x = 85,785.01
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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.