Home / 126,337.52-189,605.33-88,138.38

Finding the Fourth Proportional to 126,337.52, 189,605.33 and 88,138.38

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Solution

The fourth proportional to 126,337.52, 189,605.33 and 88,138.38 is: 132,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,337.52 : 189,605.33 = 88,138.38 : x
  2. Step 2: Convert to fraction form
    126,337.52/189,605.33 = 88,138.38/x
  3. Step 3: Cross multiply
    126,337.52x = 189,605.33 × 88,138.38
  4. Step 4: Simplify right side
    126,337.52x = 16,711,506,625.57
  5. Step 5: Solve for x
    x = 16,711,506,625.57/126,337.52
  6. Step 6: Final answer
    x = 132,276.67

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1.5x scale

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.