Finding the Fourth Proportional to 135,794.52, 187,397.68 and 82,115.42
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Solution
The fourth proportional to 135,794.52, 187,397.68 and 82,115.42 is: 113,320.03
Step by Step Solution
- Step 1: Write the proportion equation
135,794.52 : 187,397.68 = 82,115.42 : x - Step 2: Convert to fraction form
135,794.52/187,397.68 = 82,115.42/x - Step 3: Cross multiply
135,794.52x = 187,397.68 × 82,115.42 - Step 4: Simplify right side
135,794.52x = 15,388,239,200.23 - Step 5: Solve for x
x = 15,388,239,200.23/135,794.52 - Step 6: Final answer
x = 113,320.03
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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.