Home / 137,888.26-206,781.31-49,118.18

Finding the Fourth Proportional to 137,888.26, 206,781.31 and 49,118.18

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Solution

The fourth proportional to 137,888.26, 206,781.31 and 49,118.18 is: 73,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,888.26 : 206,781.31 = 49,118.18 : x
  2. Step 2: Convert to fraction form
    137,888.26/206,781.31 = 49,118.18/x
  3. Step 3: Cross multiply
    137,888.26x = 206,781.31 × 49,118.18
  4. Step 4: Simplify right side
    137,888.26x = 10,156,721,605.22
  5. Step 5: Solve for x
    x = 10,156,721,605.22/137,888.26
  6. Step 6: Final answer
    x = 73,659.07

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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.