Home / 132,530.20-198,727.20-39,023.80

Finding the Fourth Proportional to 132,530.20, 198,727.20 and 39,023.80

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Solution

The fourth proportional to 132,530.20, 198,727.20 and 39,023.80 is: 58,515.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,530.20 : 198,727.20 = 39,023.80 : x
  2. Step 2: Convert to fraction form
    132,530.20/198,727.20 = 39,023.80/x
  3. Step 3: Cross multiply
    132,530.20x = 198,727.20 × 39,023.80
  4. Step 4: Simplify right side
    132,530.20x = 7,755,090,507.36
  5. Step 5: Solve for x
    x = 7,755,090,507.36/132,530.20
  6. Step 6: Final answer
    x = 58,515.65

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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.