Home / 137,979.28-206,781.72-63,006.46

Finding the Fourth Proportional to 137,979.28, 206,781.72 and 63,006.46

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Solution

The fourth proportional to 137,979.28, 206,781.72 and 63,006.46 is: 94,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,979.28 : 206,781.72 = 63,006.46 : x
  2. Step 2: Convert to fraction form
    137,979.28/206,781.72 = 63,006.46/x
  3. Step 3: Cross multiply
    137,979.28x = 206,781.72 × 63,006.46
  4. Step 4: Simplify right side
    137,979.28x = 13,028,584,169.91
  5. Step 5: Solve for x
    x = 13,028,584,169.91/137,979.28
  6. Step 6: Final answer
    x = 94,424.21

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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.