Home / 82,251.20-123,340.80-37,863.20

Finding the Fourth Proportional to 82,251.20, 123,340.80 and 37,863.20

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Solution

The fourth proportional to 82,251.20, 123,340.80 and 37,863.20 is: 56,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,251.20 : 123,340.80 = 37,863.20 : x
  2. Step 2: Convert to fraction form
    82,251.20/123,340.80 = 37,863.20/x
  3. Step 3: Cross multiply
    82,251.20x = 123,340.80 × 37,863.20
  4. Step 4: Simplify right side
    82,251.20x = 4,670,077,378.56
  5. Step 5: Solve for x
    x = 4,670,077,378.56/82,251.20
  6. Step 6: Final answer
    x = 56,778.23

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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.