Home / 123,882.32-185,891.16-53,761.52

Finding the Fourth Proportional to 123,882.32, 185,891.16 and 53,761.52

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Solution

The fourth proportional to 123,882.32, 185,891.16 and 53,761.52 is: 80,671.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,882.32 : 185,891.16 = 53,761.52 : x
  2. Step 2: Convert to fraction form
    123,882.32/185,891.16 = 53,761.52/x
  3. Step 3: Cross multiply
    123,882.32x = 185,891.16 × 53,761.52
  4. Step 4: Simplify right side
    123,882.32x = 9,993,791,316.16
  5. Step 5: Solve for x
    x = 9,993,791,316.16/123,882.32
  6. Step 6: Final answer
    x = 80,671.65

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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.