Home / 132,513.50-198,728.12-43,750.46

Finding the Fourth Proportional to 132,513.50, 198,728.12 and 43,750.46

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Solution

The fourth proportional to 132,513.50, 198,728.12 and 43,750.46 is: 65,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,513.50 : 198,728.12 = 43,750.46 : x
  2. Step 2: Convert to fraction form
    132,513.50/198,728.12 = 43,750.46/x
  3. Step 3: Cross multiply
    132,513.50x = 198,728.12 × 43,750.46
  4. Step 4: Simplify right side
    132,513.50x = 8,694,445,780.67
  5. Step 5: Solve for x
    x = 8,694,445,780.67/132,513.50
  6. Step 6: Final answer
    x = 65,611.78

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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.