Home / 138,581.91-207,871.04-33,399.97

Finding the Fourth Proportional to 138,581.91, 207,871.04 and 33,399.97

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Solution

The fourth proportional to 138,581.91, 207,871.04 and 33,399.97 is: 50,099.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,581.91 : 207,871.04 = 33,399.97 : x
  2. Step 2: Convert to fraction form
    138,581.91/207,871.04 = 33,399.97/x
  3. Step 3: Cross multiply
    138,581.91x = 207,871.04 × 33,399.97
  4. Step 4: Simplify right side
    138,581.91x = 6,942,886,365.28
  5. Step 5: Solve for x
    x = 6,942,886,365.28/138,581.91
  6. Step 6: Final answer
    x = 50,099.51

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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.