Home / 132,100.92-198,151.38-47,872.26

Finding the Fourth Proportional to 132,100.92, 198,151.38 and 47,872.26

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Solution

The fourth proportional to 132,100.92, 198,151.38 and 47,872.26 is: 71,808.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,100.92 : 198,151.38 = 47,872.26 : x
  2. Step 2: Convert to fraction form
    132,100.92/198,151.38 = 47,872.26/x
  3. Step 3: Cross multiply
    132,100.92x = 198,151.38 × 47,872.26
  4. Step 4: Simplify right side
    132,100.92x = 9,485,954,382.72
  5. Step 5: Solve for x
    x = 9,485,954,382.72/132,100.92
  6. Step 6: Final answer
    x = 71,808.39

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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.