Home / 129,972.36-194,965.66-41,219.44

Finding the Fourth Proportional to 129,972.36, 194,965.66 and 41,219.44

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Solution

The fourth proportional to 129,972.36, 194,965.66 and 41,219.44 is: 61,831.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,972.36 : 194,965.66 = 41,219.44 : x
  2. Step 2: Convert to fraction form
    129,972.36/194,965.66 = 41,219.44/x
  3. Step 3: Cross multiply
    129,972.36x = 194,965.66 × 41,219.44
  4. Step 4: Simplify right side
    129,972.36x = 8,036,375,324.43
  5. Step 5: Solve for x
    x = 8,036,375,324.43/129,972.36
  6. Step 6: Final answer
    x = 61,831.42

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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.