Home / 154,549.60-231,764.86-54,691.18

Finding the Fourth Proportional to 154,549.60, 231,764.86 and 54,691.18

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Solution

The fourth proportional to 154,549.60, 231,764.86 and 54,691.18 is: 82,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,549.60 : 231,764.86 = 54,691.18 : x
  2. Step 2: Convert to fraction form
    154,549.60/231,764.86 = 54,691.18/x
  3. Step 3: Cross multiply
    154,549.60x = 231,764.86 × 54,691.18
  4. Step 4: Simplify right side
    154,549.60x = 12,675,493,675.93
  5. Step 5: Solve for x
    x = 12,675,493,675.93/154,549.60
  6. Step 6: Final answer
    x = 82,015.70

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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.