Home / 137,974.90-206,911.15-54,851.70

Finding the Fourth Proportional to 137,974.90, 206,911.15 and 54,851.70

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Solution

The fourth proportional to 137,974.90, 206,911.15 and 54,851.70 is: 82,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,974.90 : 206,911.15 = 54,851.70 : x
  2. Step 2: Convert to fraction form
    137,974.90/206,911.15 = 54,851.70/x
  3. Step 3: Cross multiply
    137,974.90x = 206,911.15 × 54,851.70
  4. Step 4: Simplify right side
    137,974.90x = 11,349,428,326.46
  5. Step 5: Solve for x
    x = 11,349,428,326.46/137,974.90
  6. Step 6: Final answer
    x = 82,257.20

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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.