Home / 138,674.24-207,989.47-49,882.04

Finding the Fourth Proportional to 138,674.24, 207,989.47 and 49,882.04

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Solution

The fourth proportional to 138,674.24, 207,989.47 and 49,882.04 is: 74,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,674.24 : 207,989.47 = 49,882.04 : x
  2. Step 2: Convert to fraction form
    138,674.24/207,989.47 = 49,882.04/x
  3. Step 3: Cross multiply
    138,674.24x = 207,989.47 × 49,882.04
  4. Step 4: Simplify right side
    138,674.24x = 10,374,939,062.12
  5. Step 5: Solve for x
    x = 10,374,939,062.12/138,674.24
  6. Step 6: Final answer
    x = 74,815.19

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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.