Home / 132,490.96-198,277.17-126,979.72

Finding the Fourth Proportional to 132,490.96, 198,277.17 and 126,979.72

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Solution

The fourth proportional to 132,490.96, 198,277.17 and 126,979.72 is: 190,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,490.96 : 198,277.17 = 126,979.72 : x
  2. Step 2: Convert to fraction form
    132,490.96/198,277.17 = 126,979.72/x
  3. Step 3: Cross multiply
    132,490.96x = 198,277.17 × 126,979.72
  4. Step 4: Simplify right side
    132,490.96x = 25,177,179,528.99
  5. Step 5: Solve for x
    x = 25,177,179,528.99/132,490.96
  6. Step 6: Final answer
    x = 190,029.41

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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.