Home / 445,092.32-667,747.92-129,551.96

Finding the Fourth Proportional to 445,092.32, 667,747.92 and 129,551.96

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Solution

The fourth proportional to 445,092.32, 667,747.92 and 129,551.96 is: 194,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,092.32 : 667,747.92 = 129,551.96 : x
  2. Step 2: Convert to fraction form
    445,092.32/667,747.92 = 129,551.96/x
  3. Step 3: Cross multiply
    445,092.32x = 667,747.92 × 129,551.96
  4. Step 4: Simplify right side
    445,092.32x = 86,508,051,821.92
  5. Step 5: Solve for x
    x = 86,508,051,821.92/445,092.32
  6. Step 6: Final answer
    x = 194,359.79

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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.