Home / 250,560.56-345,773.40-137,385.20

Finding the Fourth Proportional to 250,560.56, 345,773.40 and 137,385.20

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Solution

The fourth proportional to 250,560.56, 345,773.40 and 137,385.20 is: 189,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,560.56 : 345,773.40 = 137,385.20 : x
  2. Step 2: Convert to fraction form
    250,560.56/345,773.40 = 137,385.20/x
  3. Step 3: Cross multiply
    250,560.56x = 345,773.40 × 137,385.20
  4. Step 4: Simplify right side
    250,560.56x = 47,504,147,713.68
  5. Step 5: Solve for x
    x = 47,504,147,713.68/250,560.56
  6. Step 6: Final answer
    x = 189,591.48

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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.