Home / 132,360.40-198,540.60-76,373.20

Finding the Fourth Proportional to 132,360.40, 198,540.60 and 76,373.20

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Solution

The fourth proportional to 132,360.40, 198,540.60 and 76,373.20 is: 114,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,360.40 : 198,540.60 = 76,373.20 : x
  2. Step 2: Convert to fraction form
    132,360.40/198,540.60 = 76,373.20/x
  3. Step 3: Cross multiply
    132,360.40x = 198,540.60 × 76,373.20
  4. Step 4: Simplify right side
    132,360.40x = 15,163,180,951.92
  5. Step 5: Solve for x
    x = 15,163,180,951.92/132,360.40
  6. Step 6: Final answer
    x = 114,559.80

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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.