Home / 179,952.20-269,604.30-86,251.40

Finding the Fourth Proportional to 179,952.20, 269,604.30 and 86,251.40

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Solution

The fourth proportional to 179,952.20, 269,604.30 and 86,251.40 is: 129,221.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,952.20 : 269,604.30 = 86,251.40 : x
  2. Step 2: Convert to fraction form
    179,952.20/269,604.30 = 86,251.40/x
  3. Step 3: Cross multiply
    179,952.20x = 269,604.30 × 86,251.40
  4. Step 4: Simplify right side
    179,952.20x = 23,253,748,321.02
  5. Step 5: Solve for x
    x = 23,253,748,321.02/179,952.20
  6. Step 6: Final answer
    x = 129,221.81

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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.