Home / 88,140.26-132,262.92-31,984.75

Finding the Fourth Proportional to 88,140.26, 132,262.92 and 31,984.75

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Solution

The fourth proportional to 88,140.26, 132,262.92 and 31,984.75 is: 47,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,140.26 : 132,262.92 = 31,984.75 : x
  2. Step 2: Convert to fraction form
    88,140.26/132,262.92 = 31,984.75/x
  3. Step 3: Cross multiply
    88,140.26x = 132,262.92 × 31,984.75
  4. Step 4: Simplify right side
    88,140.26x = 4,230,396,715.74
  5. Step 5: Solve for x
    x = 4,230,396,715.74/88,140.26
  6. Step 6: Final answer
    x = 47,996.19

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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.