Home / 132,529.20-198,725.70-39,022.80

Finding the Fourth Proportional to 132,529.20, 198,725.70 and 39,022.80

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Solution

The fourth proportional to 132,529.20, 198,725.70 and 39,022.80 is: 58,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,529.20 : 198,725.70 = 39,022.80 : x
  2. Step 2: Convert to fraction form
    132,529.20/198,725.70 = 39,022.80/x
  3. Step 3: Cross multiply
    132,529.20x = 198,725.70 × 39,022.80
  4. Step 4: Simplify right side
    132,529.20x = 7,754,833,245.96
  5. Step 5: Solve for x
    x = 7,754,833,245.96/132,529.20
  6. Step 6: Final answer
    x = 58,514.15

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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.