Home / 126,331.12-189,595.68-88,131.97

Finding the Fourth Proportional to 126,331.12, 189,595.68 and 88,131.97

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Solution

The fourth proportional to 126,331.12, 189,595.68 and 88,131.97 is: 132,267.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,331.12 : 189,595.68 = 88,131.97 : x
  2. Step 2: Convert to fraction form
    126,331.12/189,595.68 = 88,131.97/x
  3. Step 3: Cross multiply
    126,331.12x = 189,595.68 × 88,131.97
  4. Step 4: Simplify right side
    126,331.12x = 16,709,440,781.89
  5. Step 5: Solve for x
    x = 16,709,440,781.89/126,331.12
  6. Step 6: Final answer
    x = 132,267.02

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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.