Home / 141,744.44-195,609.68-78,082.30

Finding the Fourth Proportional to 141,744.44, 195,609.68 and 78,082.30

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Solution

The fourth proportional to 141,744.44, 195,609.68 and 78,082.30 is: 107,754.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,744.44 : 195,609.68 = 78,082.30 : x
  2. Step 2: Convert to fraction form
    141,744.44/195,609.68 = 78,082.30/x
  3. Step 3: Cross multiply
    141,744.44x = 195,609.68 × 78,082.30
  4. Step 4: Simplify right side
    141,744.44x = 15,273,653,716.66
  5. Step 5: Solve for x
    x = 15,273,653,716.66/141,744.44
  6. Step 6: Final answer
    x = 107,754.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.