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Finding the Fourth Proportional to 88,099.92, 132,149.40 and 21,540.30

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Solution

The fourth proportional to 88,099.92, 132,149.40 and 21,540.30 is: 32,310.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,099.92 : 132,149.40 = 21,540.30 : x
  2. Step 2: Convert to fraction form
    88,099.92/132,149.40 = 21,540.30/x
  3. Step 3: Cross multiply
    88,099.92x = 132,149.40 × 21,540.30
  4. Step 4: Simplify right side
    88,099.92x = 2,846,537,720.82
  5. Step 5: Solve for x
    x = 2,846,537,720.82/88,099.92
  6. Step 6: Final answer
    x = 32,310.33

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1.5x scale

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.