Finding the Fourth Proportional to 115,164.24, 172,838.52 and 59,776.08
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Solution
The fourth proportional to 115,164.24, 172,838.52 and 59,776.08 is: 89,711.96
Step by Step Solution
- Step 1: Write the proportion equation
115,164.24 : 172,838.52 = 59,776.08 : x - Step 2: Convert to fraction form
115,164.24/172,838.52 = 59,776.08/x - Step 3: Cross multiply
115,164.24x = 172,838.52 × 59,776.08 - Step 4: Simplify right side
115,164.24x = 10,331,609,198.60 - Step 5: Solve for x
x = 10,331,609,198.60/115,164.24 - Step 6: Final answer
x = 89,711.96
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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.