Home / 88,177.20-132,238.80-28,999.20

Finding the Fourth Proportional to 88,177.20, 132,238.80 and 28,999.20

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Solution

The fourth proportional to 88,177.20, 132,238.80 and 28,999.20 is: 43,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,177.20 : 132,238.80 = 28,999.20 : x
  2. Step 2: Convert to fraction form
    88,177.20/132,238.80 = 28,999.20/x
  3. Step 3: Cross multiply
    88,177.20x = 132,238.80 × 28,999.20
  4. Step 4: Simplify right side
    88,177.20x = 3,834,819,408.96
  5. Step 5: Solve for x
    x = 3,834,819,408.96/88,177.20
  6. Step 6: Final answer
    x = 43,489.92

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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.