Home / 126,508.24-189,793.50-89,141.29

Finding the Fourth Proportional to 126,508.24, 189,793.50 and 89,141.29

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Solution

The fourth proportional to 126,508.24, 189,793.50 and 89,141.29 is: 133,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,508.24 : 189,793.50 = 89,141.29 : x
  2. Step 2: Convert to fraction form
    126,508.24/189,793.50 = 89,141.29/x
  3. Step 3: Cross multiply
    126,508.24x = 189,793.50 × 89,141.29
  4. Step 4: Simplify right side
    126,508.24x = 16,918,437,423.62
  5. Step 5: Solve for x
    x = 16,918,437,423.62/126,508.24
  6. Step 6: Final answer
    x = 133,733.88

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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.