Home / 141,186.42-194,854.82-80,748.68

Finding the Fourth Proportional to 141,186.42, 194,854.82 and 80,748.68

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Solution

The fourth proportional to 141,186.42, 194,854.82 and 80,748.68 is: 111,443.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,186.42 : 194,854.82 = 80,748.68 : x
  2. Step 2: Convert to fraction form
    141,186.42/194,854.82 = 80,748.68/x
  3. Step 3: Cross multiply
    141,186.42x = 194,854.82 × 80,748.68
  4. Step 4: Simplify right side
    141,186.42x = 15,734,268,128.62
  5. Step 5: Solve for x
    x = 15,734,268,128.62/141,186.42
  6. Step 6: Final answer
    x = 111,443.21

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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.