Home / 129,983.97-194,982.87-41,244.42

Finding the Fourth Proportional to 129,983.97, 194,982.87 and 41,244.42

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Solution

The fourth proportional to 129,983.97, 194,982.87 and 41,244.42 is: 61,868.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,983.97 : 194,982.87 = 41,244.42 : x
  2. Step 2: Convert to fraction form
    129,983.97/194,982.87 = 41,244.42/x
  3. Step 3: Cross multiply
    129,983.97x = 194,982.87 × 41,244.42
  4. Step 4: Simplify right side
    129,983.97x = 8,041,955,383.09
  5. Step 5: Solve for x
    x = 8,041,955,383.09/129,983.97
  6. Step 6: Final answer
    x = 61,868.82

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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.