Home / 138,500.73-207,679.95-63,556.38

Finding the Fourth Proportional to 138,500.73, 207,679.95 and 63,556.38

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Solution

The fourth proportional to 138,500.73, 207,679.95 and 63,556.38 is: 95,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,500.73 : 207,679.95 = 63,556.38 : x
  2. Step 2: Convert to fraction form
    138,500.73/207,679.95 = 63,556.38/x
  3. Step 3: Cross multiply
    138,500.73x = 207,679.95 × 63,556.38
  4. Step 4: Simplify right side
    138,500.73x = 13,199,385,820.58
  5. Step 5: Solve for x
    x = 13,199,385,820.58/138,500.73
  6. Step 6: Final answer
    x = 95,301.92

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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.