Home / 137,634.23-206,426.69-37,781.28

Finding the Fourth Proportional to 137,634.23, 206,426.69 and 37,781.28

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Solution

The fourth proportional to 137,634.23, 206,426.69 and 37,781.28 is: 56,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,634.23 : 206,426.69 = 37,781.28 : x
  2. Step 2: Convert to fraction form
    137,634.23/206,426.69 = 37,781.28/x
  3. Step 3: Cross multiply
    137,634.23x = 206,426.69 × 37,781.28
  4. Step 4: Simplify right side
    137,634.23x = 7,799,063,753.04
  5. Step 5: Solve for x
    x = 7,799,063,753.04/137,634.23
  6. Step 6: Final answer
    x = 56,665.15

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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.