Home / 88,371.19-132,778.22-83,056.78

Finding the Fourth Proportional to 88,371.19, 132,778.22 and 83,056.78

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Solution

The fourth proportional to 88,371.19, 132,778.22 and 83,056.78 is: 124,793.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,371.19 : 132,778.22 = 83,056.78 : x
  2. Step 2: Convert to fraction form
    88,371.19/132,778.22 = 83,056.78/x
  3. Step 3: Cross multiply
    88,371.19x = 132,778.22 × 83,056.78
  4. Step 4: Simplify right side
    88,371.19x = 11,028,131,407.33
  5. Step 5: Solve for x
    x = 11,028,131,407.33/88,371.19
  6. Step 6: Final answer
    x = 124,793.29

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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.