Home / 138,268.91-207,446.42-49,523.18

Finding the Fourth Proportional to 138,268.91, 207,446.42 and 49,523.18

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Solution

The fourth proportional to 138,268.91, 207,446.42 and 49,523.18 is: 74,300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,268.91 : 207,446.42 = 49,523.18 : x
  2. Step 2: Convert to fraction form
    138,268.91/207,446.42 = 49,523.18/x
  3. Step 3: Cross multiply
    138,268.91x = 207,446.42 × 49,523.18
  4. Step 4: Simplify right side
    138,268.91x = 10,273,406,398.02
  5. Step 5: Solve for x
    x = 10,273,406,398.02/138,268.91
  6. Step 6: Final answer
    x = 74,300.19

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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.