Home / 126,244.20-189,366.30-63,906.60

Finding the Fourth Proportional to 126,244.20, 189,366.30 and 63,906.60

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Solution

The fourth proportional to 126,244.20, 189,366.30 and 63,906.60 is: 95,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,244.20 : 189,366.30 = 63,906.60 : x
  2. Step 2: Convert to fraction form
    126,244.20/189,366.30 = 63,906.60/x
  3. Step 3: Cross multiply
    126,244.20x = 189,366.30 × 63,906.60
  4. Step 4: Simplify right side
    126,244.20x = 12,101,756,387.58
  5. Step 5: Solve for x
    x = 12,101,756,387.58/126,244.20
  6. Step 6: Final answer
    x = 95,859.90

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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.