Home / 132,091.80-198,186.30-43,348.20

Finding the Fourth Proportional to 132,091.80, 198,186.30 and 43,348.20

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Solution

The fourth proportional to 132,091.80, 198,186.30 and 43,348.20 is: 65,038.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,091.80 : 198,186.30 = 43,348.20 : x
  2. Step 2: Convert to fraction form
    132,091.80/198,186.30 = 43,348.20/x
  3. Step 3: Cross multiply
    132,091.80x = 198,186.30 × 43,348.20
  4. Step 4: Simplify right side
    132,091.80x = 8,591,019,369.66
  5. Step 5: Solve for x
    x = 8,591,019,369.66/132,091.80
  6. Step 6: Final answer
    x = 65,038.25

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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.