Home / 132,680.70-198,474.30-121,002.12

Finding the Fourth Proportional to 132,680.70, 198,474.30 and 121,002.12

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Solution

The fourth proportional to 132,680.70, 198,474.30 and 121,002.12 is: 181,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,680.70 : 198,474.30 = 121,002.12 : x
  2. Step 2: Convert to fraction form
    132,680.70/198,474.30 = 121,002.12/x
  3. Step 3: Cross multiply
    132,680.70x = 198,474.30 × 121,002.12
  4. Step 4: Simplify right side
    132,680.70x = 24,015,811,065.52
  5. Step 5: Solve for x
    x = 24,015,811,065.52/132,680.70
  6. Step 6: Final answer
    x = 181,004.56

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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.