Home / 126,360.20-189,452.50-47,453.24

Finding the Fourth Proportional to 126,360.20, 189,452.50 and 47,453.24

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Solution

The fourth proportional to 126,360.20, 189,452.50 and 47,453.24 is: 71,146.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,360.20 : 189,452.50 = 47,453.24 : x
  2. Step 2: Convert to fraction form
    126,360.20/189,452.50 = 47,453.24/x
  3. Step 3: Cross multiply
    126,360.20x = 189,452.50 × 47,453.24
  4. Step 4: Simplify right side
    126,360.20x = 8,990,134,951.10
  5. Step 5: Solve for x
    x = 8,990,134,951.10/126,360.20
  6. Step 6: Final answer
    x = 71,146.89

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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.