Home / 88,077.80-132,189.60-40,765.70

Finding the Fourth Proportional to 88,077.80, 132,189.60 and 40,765.70

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Solution

The fourth proportional to 88,077.80, 132,189.60 and 40,765.70 is: 61,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,077.80 : 132,189.60 = 40,765.70 : x
  2. Step 2: Convert to fraction form
    88,077.80/132,189.60 = 40,765.70/x
  3. Step 3: Cross multiply
    88,077.80x = 132,189.60 × 40,765.70
  4. Step 4: Simplify right side
    88,077.80x = 5,388,801,576.72
  5. Step 5: Solve for x
    x = 5,388,801,576.72/88,077.80
  6. Step 6: Final answer
    x = 61,182.29

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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.