Home / 129,848.20-194,772.30-41,128.90

Finding the Fourth Proportional to 129,848.20, 194,772.30 and 41,128.90

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Solution

The fourth proportional to 129,848.20, 194,772.30 and 41,128.90 is: 61,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,848.20 : 194,772.30 = 41,128.90 : x
  2. Step 2: Convert to fraction form
    129,848.20/194,772.30 = 41,128.90/x
  3. Step 3: Cross multiply
    129,848.20x = 194,772.30 × 41,128.90
  4. Step 4: Simplify right side
    129,848.20x = 8,010,770,449.47
  5. Step 5: Solve for x
    x = 8,010,770,449.47/129,848.20
  6. Step 6: Final answer
    x = 61,693.35

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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.