Home / 81,456.03-122,183.24-22,291.61

Finding the Fourth Proportional to 81,456.03, 122,183.24 and 22,291.61

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Solution

The fourth proportional to 81,456.03, 122,183.24 and 22,291.61 is: 33,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,456.03 : 122,183.24 = 22,291.61 : x
  2. Step 2: Convert to fraction form
    81,456.03/122,183.24 = 22,291.61/x
  3. Step 3: Cross multiply
    81,456.03x = 122,183.24 × 22,291.61
  4. Step 4: Simplify right side
    81,456.03x = 2,723,660,412.24
  5. Step 5: Solve for x
    x = 2,723,660,412.24/81,456.03
  6. Step 6: Final answer
    x = 33,437.19

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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.