Home / 126,360.28-189,560.96-47,480.88

Finding the Fourth Proportional to 126,360.28, 189,560.96 and 47,480.88

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Solution

The fourth proportional to 126,360.28, 189,560.96 and 47,480.88 is: 71,229.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,360.28 : 189,560.96 = 47,480.88 : x
  2. Step 2: Convert to fraction form
    126,360.28/189,560.96 = 47,480.88/x
  3. Step 3: Cross multiply
    126,360.28x = 189,560.96 × 47,480.88
  4. Step 4: Simplify right side
    126,360.28x = 9,000,521,194.44
  5. Step 5: Solve for x
    x = 9,000,521,194.44/126,360.28
  6. Step 6: Final answer
    x = 71,229.04

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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.