Home / 154,442.30-231,663.45-54,601.70

Finding the Fourth Proportional to 154,442.30, 231,663.45 and 54,601.70

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Solution

The fourth proportional to 154,442.30, 231,663.45 and 54,601.70 is: 81,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,442.30 : 231,663.45 = 54,601.70 : x
  2. Step 2: Convert to fraction form
    154,442.30/231,663.45 = 54,601.70/x
  3. Step 3: Cross multiply
    154,442.30x = 231,663.45 × 54,601.70
  4. Step 4: Simplify right side
    154,442.30x = 12,649,218,197.87
  5. Step 5: Solve for x
    x = 12,649,218,197.87/154,442.30
  6. Step 6: Final answer
    x = 81,902.55

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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.