Home / 138,010.97-207,016.36-44,516.72

Finding the Fourth Proportional to 138,010.97, 207,016.36 and 44,516.72

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Solution

The fourth proportional to 138,010.97, 207,016.36 and 44,516.72 is: 66,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,010.97 : 207,016.36 = 44,516.72 : x
  2. Step 2: Convert to fraction form
    138,010.97/207,016.36 = 44,516.72/x
  3. Step 3: Cross multiply
    138,010.97x = 207,016.36 × 44,516.72
  4. Step 4: Simplify right side
    138,010.97x = 9,215,689,739.79
  5. Step 5: Solve for x
    x = 9,215,689,739.79/138,010.97
  6. Step 6: Final answer
    x = 66,775.05

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1.5x scale

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.