Home / 138,277.92-207,370.76-54,016.24

Finding the Fourth Proportional to 138,277.92, 207,370.76 and 54,016.24

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Solution

The fourth proportional to 138,277.92, 207,370.76 and 54,016.24 is: 81,006.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,277.92 : 207,370.76 = 54,016.24 : x
  2. Step 2: Convert to fraction form
    138,277.92/207,370.76 = 54,016.24/x
  3. Step 3: Cross multiply
    138,277.92x = 207,370.76 × 54,016.24
  4. Step 4: Simplify right side
    138,277.92x = 11,201,388,741.14
  5. Step 5: Solve for x
    x = 11,201,388,741.14/138,277.92
  6. Step 6: Final answer
    x = 81,006.34

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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.