Home / 154,382.31-231,526.20-54,519.11

Finding the Fourth Proportional to 154,382.31, 231,526.20 and 54,519.11

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Solution

The fourth proportional to 154,382.31, 231,526.20 and 54,519.11 is: 81,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,382.31 : 231,526.20 = 54,519.11 : x
  2. Step 2: Convert to fraction form
    154,382.31/231,526.20 = 54,519.11/x
  3. Step 3: Cross multiply
    154,382.31x = 231,526.20 × 54,519.11
  4. Step 4: Simplify right side
    154,382.31x = 12,622,601,974.05
  5. Step 5: Solve for x
    x = 12,622,601,974.05/154,382.31
  6. Step 6: Final answer
    x = 81,761.97

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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.