Home / 154,233.52-231,350.20-43,425.52

Finding the Fourth Proportional to 154,233.52, 231,350.20 and 43,425.52

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Solution

The fourth proportional to 154,233.52, 231,350.20 and 43,425.52 is: 65,138.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,233.52 : 231,350.20 = 43,425.52 : x
  2. Step 2: Convert to fraction form
    154,233.52/231,350.20 = 43,425.52/x
  3. Step 3: Cross multiply
    154,233.52x = 231,350.20 × 43,425.52
  4. Step 4: Simplify right side
    154,233.52x = 10,046,502,737.10
  5. Step 5: Solve for x
    x = 10,046,502,737.10/154,233.52
  6. Step 6: Final answer
    x = 65,138.26

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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.