Home / 138,266.91-207,443.42-49,521.18

Finding the Fourth Proportional to 138,266.91, 207,443.42 and 49,521.18

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Solution

The fourth proportional to 138,266.91, 207,443.42 and 49,521.18 is: 74,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,266.91 : 207,443.42 = 49,521.18 : x
  2. Step 2: Convert to fraction form
    138,266.91/207,443.42 = 49,521.18/x
  3. Step 3: Cross multiply
    138,266.91x = 207,443.42 × 49,521.18
  4. Step 4: Simplify right side
    138,266.91x = 10,272,843,936.20
  5. Step 5: Solve for x
    x = 10,272,843,936.20/138,266.91
  6. Step 6: Final answer
    x = 74,297.20

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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.