Finding the Fourth Proportional to 106,894.97, 160,397.78 and 77,554.97
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Solution
The fourth proportional to 106,894.97, 160,397.78 and 77,554.97 is: 116,372.59
Step by Step Solution
- Step 1: Write the proportion equation
106,894.97 : 160,397.78 = 77,554.97 : x - Step 2: Convert to fraction form
106,894.97/160,397.78 = 77,554.97/x - Step 3: Cross multiply
106,894.97x = 160,397.78 × 77,554.97 - Step 4: Simplify right side
106,894.97x = 12,439,643,826.20 - Step 5: Solve for x
x = 12,439,643,826.20/106,894.97 - Step 6: Final answer
x = 116,372.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.