Home / 129,282.78-193,924.18-40,544.04

Finding the Fourth Proportional to 129,282.78, 193,924.18 and 40,544.04

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Solution

The fourth proportional to 129,282.78, 193,924.18 and 40,544.04 is: 60,816.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,282.78 : 193,924.18 = 40,544.04 : x
  2. Step 2: Convert to fraction form
    129,282.78/193,924.18 = 40,544.04/x
  3. Step 3: Cross multiply
    129,282.78x = 193,924.18 × 40,544.04
  4. Step 4: Simplify right side
    129,282.78x = 7,862,469,710.89
  5. Step 5: Solve for x
    x = 7,862,469,710.89/129,282.78
  6. Step 6: Final answer
    x = 60,816.06

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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.