Home / 125,037.28-187,555.98-54,917.20

Finding the Fourth Proportional to 125,037.28, 187,555.98 and 54,917.20

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Solution

The fourth proportional to 125,037.28, 187,555.98 and 54,917.20 is: 82,375.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,037.28 : 187,555.98 = 54,917.20 : x
  2. Step 2: Convert to fraction form
    125,037.28/187,555.98 = 54,917.20/x
  3. Step 3: Cross multiply
    125,037.28x = 187,555.98 × 54,917.20
  4. Step 4: Simplify right side
    125,037.28x = 10,300,049,264.86
  5. Step 5: Solve for x
    x = 10,300,049,264.86/125,037.28
  6. Step 6: Final answer
    x = 82,375.83

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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.