Home / 129,842.20-194,763.30-41,122.90

Finding the Fourth Proportional to 129,842.20, 194,763.30 and 41,122.90

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Solution

The fourth proportional to 129,842.20, 194,763.30 and 41,122.90 is: 61,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,842.20 : 194,763.30 = 41,122.90 : x
  2. Step 2: Convert to fraction form
    129,842.20/194,763.30 = 41,122.90/x
  3. Step 3: Cross multiply
    129,842.20x = 194,763.30 × 41,122.90
  4. Step 4: Simplify right side
    129,842.20x = 8,009,231,709.57
  5. Step 5: Solve for x
    x = 8,009,231,709.57/129,842.20
  6. Step 6: Final answer
    x = 61,684.35

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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.