Home / 141,585.29-195,343.71-80,321.38

Finding the Fourth Proportional to 141,585.29, 195,343.71 and 80,321.38

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Solution

The fourth proportional to 141,585.29, 195,343.71 and 80,321.38 is: 110,818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,585.29 : 195,343.71 = 80,321.38 : x
  2. Step 2: Convert to fraction form
    141,585.29/195,343.71 = 80,321.38/x
  3. Step 3: Cross multiply
    141,585.29x = 195,343.71 × 80,321.38
  4. Step 4: Simplify right side
    141,585.29x = 15,690,276,361.52
  5. Step 5: Solve for x
    x = 15,690,276,361.52/141,585.29
  6. Step 6: Final answer
    x = 110,818.55

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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.