Finding the Fourth Proportional to 102,436.98, 141,372.33 and 62,160.96
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Solution
The fourth proportional to 102,436.98, 141,372.33 and 62,160.96 is: 85,787.77
Step by Step Solution
- Step 1: Write the proportion equation
102,436.98 : 141,372.33 = 62,160.96 : x - Step 2: Convert to fraction form
102,436.98/141,372.33 = 62,160.96/x - Step 3: Cross multiply
102,436.98x = 141,372.33 × 62,160.96 - Step 4: Simplify right side
102,436.98x = 8,787,839,750.24 - Step 5: Solve for x
x = 8,787,839,750.24/102,436.98 - Step 6: Final answer
x = 85,787.77
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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.