Home / 132,718.10-198,749.10-88,103.30

Finding the Fourth Proportional to 132,718.10, 198,749.10 and 88,103.30

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Solution

The fourth proportional to 132,718.10, 198,749.10 and 88,103.30 is: 131,937.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,718.10 : 198,749.10 = 88,103.30 : x
  2. Step 2: Convert to fraction form
    132,718.10/198,749.10 = 88,103.30/x
  3. Step 3: Cross multiply
    132,718.10x = 198,749.10 × 88,103.30
  4. Step 4: Simplify right side
    132,718.10x = 17,510,451,582.03
  5. Step 5: Solve for x
    x = 17,510,451,582.03/132,718.10
  6. Step 6: Final answer
    x = 131,937.18

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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.