Home / 144,452.11-199,354.35-80,810.41

Finding the Fourth Proportional to 144,452.11, 199,354.35 and 80,810.41

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Solution

The fourth proportional to 144,452.11, 199,354.35 and 80,810.41 is: 111,524.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,452.11 : 199,354.35 = 80,810.41 : x
  2. Step 2: Convert to fraction form
    144,452.11/199,354.35 = 80,810.41/x
  3. Step 3: Cross multiply
    144,452.11x = 199,354.35 × 80,810.41
  4. Step 4: Simplify right side
    144,452.11x = 16,109,906,758.78
  5. Step 5: Solve for x
    x = 16,109,906,758.78/144,452.11
  6. Step 6: Final answer
    x = 111,524.21

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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.