Home / 132,499.68-198,750.96-39,007.20

Finding the Fourth Proportional to 132,499.68, 198,750.96 and 39,007.20

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Solution

The fourth proportional to 132,499.68, 198,750.96 and 39,007.20 is: 58,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,499.68 : 198,750.96 = 39,007.20 : x
  2. Step 2: Convert to fraction form
    132,499.68/198,750.96 = 39,007.20/x
  3. Step 3: Cross multiply
    132,499.68x = 198,750.96 × 39,007.20
  4. Step 4: Simplify right side
    132,499.68x = 7,752,718,446.91
  5. Step 5: Solve for x
    x = 7,752,718,446.91/132,499.68
  6. Step 6: Final answer
    x = 58,511.22

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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.