Home / 84,147.41-116,234.19-62,387.82

Finding the Fourth Proportional to 84,147.41, 116,234.19 and 62,387.82

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Solution

The fourth proportional to 84,147.41, 116,234.19 and 62,387.82 is: 86,177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,147.41 : 116,234.19 = 62,387.82 : x
  2. Step 2: Convert to fraction form
    84,147.41/116,234.19 = 62,387.82/x
  3. Step 3: Cross multiply
    84,147.41x = 116,234.19 × 62,387.82
  4. Step 4: Simplify right side
    84,147.41x = 7,251,597,723.57
  5. Step 5: Solve for x
    x = 7,251,597,723.57/84,147.41
  6. Step 6: Final answer
    x = 86,177.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.