Home / 129,449.20-194,173.52-40,710.48

Finding the Fourth Proportional to 129,449.20, 194,173.52 and 40,710.48

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Solution

The fourth proportional to 129,449.20, 194,173.52 and 40,710.48 is: 61,065.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,449.20 : 194,173.52 = 40,710.48 : x
  2. Step 2: Convert to fraction form
    129,449.20/194,173.52 = 40,710.48/x
  3. Step 3: Cross multiply
    129,449.20x = 194,173.52 × 40,710.48
  4. Step 4: Simplify right side
    129,449.20x = 7,904,897,202.49
  5. Step 5: Solve for x
    x = 7,904,897,202.49/129,449.20
  6. Step 6: Final answer
    x = 61,065.63

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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.