Home / 138,453.43-207,677.15-38,610.96

Finding the Fourth Proportional to 138,453.43, 207,677.15 and 38,610.96

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Solution

The fourth proportional to 138,453.43, 207,677.15 and 38,610.96 is: 57,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,453.43 : 207,677.15 = 38,610.96 : x
  2. Step 2: Convert to fraction form
    138,453.43/207,677.15 = 38,610.96/x
  3. Step 3: Cross multiply
    138,453.43x = 207,677.15 × 38,610.96
  4. Step 4: Simplify right side
    138,453.43x = 8,018,613,093.18
  5. Step 5: Solve for x
    x = 8,018,613,093.18/138,453.43
  6. Step 6: Final answer
    x = 57,915.60

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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.