Home / 141,110.40-194,736.96-80,659.20

Finding the Fourth Proportional to 141,110.40, 194,736.96 and 80,659.20

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Solution

The fourth proportional to 141,110.40, 194,736.96 and 80,659.20 is: 111,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,110.40 : 194,736.96 = 80,659.20 : x
  2. Step 2: Convert to fraction form
    141,110.40/194,736.96 = 80,659.20/x
  3. Step 3: Cross multiply
    141,110.40x = 194,736.96 × 80,659.20
  4. Step 4: Simplify right side
    141,110.40x = 15,707,327,404.03
  5. Step 5: Solve for x
    x = 15,707,327,404.03/141,110.40
  6. Step 6: Final answer
    x = 111,312.33

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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.