Home / 161,982.06-243,046.92-83,151.69

Finding the Fourth Proportional to 161,982.06, 243,046.92 and 83,151.69

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Solution

The fourth proportional to 161,982.06, 243,046.92 and 83,151.69 is: 124,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,982.06 : 243,046.92 = 83,151.69 : x
  2. Step 2: Convert to fraction form
    161,982.06/243,046.92 = 83,151.69/x
  3. Step 3: Cross multiply
    161,982.06x = 243,046.92 × 83,151.69
  4. Step 4: Simplify right side
    161,982.06x = 20,209,762,147.29
  5. Step 5: Solve for x
    x = 20,209,762,147.29/161,982.06
  6. Step 6: Final answer
    x = 124,765.43

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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.