Finding the Fourth Proportional to 115,122.18, 172,364.42 and 58,841.09
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Solution
The fourth proportional to 115,122.18, 172,364.42 and 58,841.09 is: 88,098.65
Step by Step Solution
- Step 1: Write the proportion equation
115,122.18 : 172,364.42 = 58,841.09 : x - Step 2: Convert to fraction form
115,122.18/172,364.42 = 58,841.09/x - Step 3: Cross multiply
115,122.18x = 172,364.42 × 58,841.09 - Step 4: Simplify right side
115,122.18x = 10,142,109,193.99 - Step 5: Solve for x
x = 10,142,109,193.99/115,122.18 - Step 6: Final answer
x = 88,098.65
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1.5x scale
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.