Home / 137,569.74-206,412.94-75,167.34

Finding the Fourth Proportional to 137,569.74, 206,412.94 and 75,167.34

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Solution

The fourth proportional to 137,569.74, 206,412.94 and 75,167.34 is: 112,782.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,569.74 : 206,412.94 = 75,167.34 : x
  2. Step 2: Convert to fraction form
    137,569.74/206,412.94 = 75,167.34/x
  3. Step 3: Cross multiply
    137,569.74x = 206,412.94 × 75,167.34
  4. Step 4: Simplify right side
    137,569.74x = 15,515,511,641.38
  5. Step 5: Solve for x
    x = 15,515,511,641.38/137,569.74
  6. Step 6: Final answer
    x = 112,782.88

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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.