Home / 250,195.11-345,183.57-142,687.86

Finding the Fourth Proportional to 250,195.11, 345,183.57 and 142,687.86

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Solution

The fourth proportional to 250,195.11, 345,183.57 and 142,687.86 is: 196,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,195.11 : 345,183.57 = 142,687.86 : x
  2. Step 2: Convert to fraction form
    250,195.11/345,183.57 = 142,687.86/x
  3. Step 3: Cross multiply
    250,195.11x = 345,183.57 × 142,687.86
  4. Step 4: Simplify right side
    250,195.11x = 49,253,504,910.46
  5. Step 5: Solve for x
    x = 49,253,504,910.46/250,195.11
  6. Step 6: Final answer
    x = 196,860.38

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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.