Home / 126,387.20-189,584-32,897.28

Finding the Fourth Proportional to 126,387.20, 189,584 and 32,897.28

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Solution

The fourth proportional to 126,387.20, 189,584 and 32,897.28 is: 49,346.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,387.20 : 189,584 = 32,897.28 : x
  2. Step 2: Convert to fraction form
    126,387.20/189,584 = 32,897.28/x
  3. Step 3: Cross multiply
    126,387.20x = 189,584 × 32,897.28
  4. Step 4: Simplify right side
    126,387.20x = 6,236,797,931.52
  5. Step 5: Solve for x
    x = 6,236,797,931.52/126,387.20
  6. Step 6: Final answer
    x = 49,346.75

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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.