Finding the Fourth Proportional to 134,666.70, 185,841.34 and 74,239.70
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Solution
The fourth proportional to 134,666.70, 185,841.34 and 74,239.70 is: 102,451.50
Step by Step Solution
- Step 1: Write the proportion equation
134,666.70 : 185,841.34 = 74,239.70 : x - Step 2: Convert to fraction form
134,666.70/185,841.34 = 74,239.70/x - Step 3: Cross multiply
134,666.70x = 185,841.34 × 74,239.70 - Step 4: Simplify right side
134,666.70x = 13,796,805,329.20 - Step 5: Solve for x
x = 13,796,805,329.20/134,666.70 - Step 6: Final answer
x = 102,451.50
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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.