Finding the Fourth Proportional to 129,582.24, 194,121.17 and 73,251.95
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Solution
The fourth proportional to 129,582.24, 194,121.17 and 73,251.95 is: 109,735.35
Step by Step Solution
- Step 1: Write the proportion equation
129,582.24 : 194,121.17 = 73,251.95 : x - Step 2: Convert to fraction form
129,582.24/194,121.17 = 73,251.95/x - Step 3: Cross multiply
129,582.24x = 194,121.17 × 73,251.95 - Step 4: Simplify right side
129,582.24x = 14,219,752,901.92 - Step 5: Solve for x
x = 14,219,752,901.92/129,582.24 - Step 6: Final answer
x = 109,735.35
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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.