Home / 140,801.09-194,306.65-80,371.04

Finding the Fourth Proportional to 140,801.09, 194,306.65 and 80,371.04

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Solution

The fourth proportional to 140,801.09, 194,306.65 and 80,371.04 is: 110,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,801.09 : 194,306.65 = 80,371.04 : x
  2. Step 2: Convert to fraction form
    140,801.09/194,306.65 = 80,371.04/x
  3. Step 3: Cross multiply
    140,801.09x = 194,306.65 × 80,371.04
  4. Step 4: Simplify right side
    140,801.09x = 15,616,626,366.96
  5. Step 5: Solve for x
    x = 15,616,626,366.96/140,801.09
  6. Step 6: Final answer
    x = 110,912.68

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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.