Home / 132,339.32-198,519.76-79,393.11

Finding the Fourth Proportional to 132,339.32, 198,519.76 and 79,393.11

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Solution

The fourth proportional to 132,339.32, 198,519.76 and 79,393.11 is: 119,096.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,339.32 : 198,519.76 = 79,393.11 : x
  2. Step 2: Convert to fraction form
    132,339.32/198,519.76 = 79,393.11/x
  3. Step 3: Cross multiply
    132,339.32x = 198,519.76 × 79,393.11
  4. Step 4: Simplify right side
    132,339.32x = 15,761,101,614.32
  5. Step 5: Solve for x
    x = 15,761,101,614.32/132,339.32
  6. Step 6: Final answer
    x = 119,096.14

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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.