Home / 126,508.17-189,793.37-89,141.22

Finding the Fourth Proportional to 126,508.17, 189,793.37 and 89,141.22

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Solution

The fourth proportional to 126,508.17, 189,793.37 and 89,141.22 is: 133,733.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,508.17 : 189,793.37 = 89,141.22 : x
  2. Step 2: Convert to fraction form
    126,508.17/189,793.37 = 89,141.22/x
  3. Step 3: Cross multiply
    126,508.17x = 189,793.37 × 89,141.22
  4. Step 4: Simplify right side
    126,508.17x = 16,918,412,104.01
  5. Step 5: Solve for x
    x = 16,918,412,104.01/126,508.17
  6. Step 6: Final answer
    x = 133,733.75

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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.