Home / 159,347.43-239,168.97-80,517.02

Finding the Fourth Proportional to 159,347.43, 239,168.97 and 80,517.02

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Solution

The fourth proportional to 159,347.43, 239,168.97 and 80,517.02 is: 120,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,347.43 : 239,168.97 = 80,517.02 : x
  2. Step 2: Convert to fraction form
    159,347.43/239,168.97 = 80,517.02/x
  3. Step 3: Cross multiply
    159,347.43x = 239,168.97 × 80,517.02
  4. Step 4: Simplify right side
    159,347.43x = 19,257,171,545.02
  5. Step 5: Solve for x
    x = 19,257,171,545.02/159,347.43
  6. Step 6: Final answer
    x = 120,850.22

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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.