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Finding the Fourth Proportional to 132,650.96, 198,915 and 43,888.08

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Solution

The fourth proportional to 132,650.96, 198,915 and 43,888.08 is: 65,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,650.96 : 198,915 = 43,888.08 : x
  2. Step 2: Convert to fraction form
    132,650.96/198,915 = 43,888.08/x
  3. Step 3: Cross multiply
    132,650.96x = 198,915 × 43,888.08
  4. Step 4: Simplify right side
    132,650.96x = 8,729,997,433.20
  5. Step 5: Solve for x
    x = 8,729,997,433.20/132,650.96
  6. Step 6: Final answer
    x = 65,811.79

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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.