Home / 132,058.20-198,524.70-112,812.60

Finding the Fourth Proportional to 132,058.20, 198,524.70 and 112,812.60

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Solution

The fourth proportional to 132,058.20, 198,524.70 and 112,812.60 is: 169,592.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,058.20 : 198,524.70 = 112,812.60 : x
  2. Step 2: Convert to fraction form
    132,058.20/198,524.70 = 112,812.60/x
  3. Step 3: Cross multiply
    132,058.20x = 198,524.70 × 112,812.60
  4. Step 4: Simplify right side
    132,058.20x = 22,396,087,571.22
  5. Step 5: Solve for x
    x = 22,396,087,571.22/132,058.20
  6. Step 6: Final answer
    x = 169,592.56

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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.