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Finding the Fourth Proportional to 132,118.88, 198,198.95 and 43,352.19

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Solution

The fourth proportional to 132,118.88, 198,198.95 and 43,352.19 is: 65,035.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,118.88 : 198,198.95 = 43,352.19 : x
  2. Step 2: Convert to fraction form
    132,118.88/198,198.95 = 43,352.19/x
  3. Step 3: Cross multiply
    132,118.88x = 198,198.95 × 43,352.19
  4. Step 4: Simplify right side
    132,118.88x = 8,592,358,321.44
  5. Step 5: Solve for x
    x = 8,592,358,321.44/132,118.88
  6. Step 6: Final answer
    x = 65,035.06

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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.