Home / 138,270.92-207,360.26-54,009.24

Finding the Fourth Proportional to 138,270.92, 207,360.26 and 54,009.24

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Solution

The fourth proportional to 138,270.92, 207,360.26 and 54,009.24 is: 80,995.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,270.92 : 207,360.26 = 54,009.24 : x
  2. Step 2: Convert to fraction form
    138,270.92/207,360.26 = 54,009.24/x
  3. Step 3: Cross multiply
    138,270.92x = 207,360.26 × 54,009.24
  4. Step 4: Simplify right side
    138,270.92x = 11,199,370,048.80
  5. Step 5: Solve for x
    x = 11,199,370,048.80/138,270.92
  6. Step 6: Final answer
    x = 80,995.85

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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.