Home / 126,215.20-189,339.76-37,469.92

Finding the Fourth Proportional to 126,215.20, 189,339.76 and 37,469.92

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Solution

The fourth proportional to 126,215.20, 189,339.76 and 37,469.92 is: 56,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,215.20 : 189,339.76 = 37,469.92 : x
  2. Step 2: Convert to fraction form
    126,215.20/189,339.76 = 37,469.92/x
  3. Step 3: Cross multiply
    126,215.20x = 189,339.76 × 37,469.92
  4. Step 4: Simplify right side
    126,215.20x = 7,094,545,660.02
  5. Step 5: Solve for x
    x = 7,094,545,660.02/126,215.20
  6. Step 6: Final answer
    x = 56,209.91

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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.