Home / 126,377.38-189,711.87-64,179.10

Finding the Fourth Proportional to 126,377.38, 189,711.87 and 64,179.10

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Solution

The fourth proportional to 126,377.38, 189,711.87 and 64,179.10 is: 96,342.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,377.38 : 189,711.87 = 64,179.10 : x
  2. Step 2: Convert to fraction form
    126,377.38/189,711.87 = 64,179.10/x
  3. Step 3: Cross multiply
    126,377.38x = 189,711.87 × 64,179.10
  4. Step 4: Simplify right side
    126,377.38x = 12,175,535,806.46
  5. Step 5: Solve for x
    x = 12,175,535,806.46/126,377.38
  6. Step 6: Final answer
    x = 96,342.69

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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.