Home / 137,546.73-206,338.46-54,421.29

Finding the Fourth Proportional to 137,546.73, 206,338.46 and 54,421.29

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Solution

The fourth proportional to 137,546.73, 206,338.46 and 54,421.29 is: 81,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,546.73 : 206,338.46 = 54,421.29 : x
  2. Step 2: Convert to fraction form
    137,546.73/206,338.46 = 54,421.29/x
  3. Step 3: Cross multiply
    137,546.73x = 206,338.46 × 54,421.29
  4. Step 4: Simplify right side
    137,546.73x = 11,229,204,897.71
  5. Step 5: Solve for x
    x = 11,229,204,897.71/137,546.73
  6. Step 6: Final answer
    x = 81,639.20

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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.