Home / 250,158.11-345,218.25-135,436.73

Finding the Fourth Proportional to 250,158.11, 345,218.25 and 135,436.73

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Solution

The fourth proportional to 250,158.11, 345,218.25 and 135,436.73 is: 186,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,158.11 : 345,218.25 = 135,436.73 : x
  2. Step 2: Convert to fraction form
    250,158.11/345,218.25 = 135,436.73/x
  3. Step 3: Cross multiply
    250,158.11x = 345,218.25 × 135,436.73
  4. Step 4: Simplify right side
    250,158.11x = 46,755,229,698.12
  5. Step 5: Solve for x
    x = 46,755,229,698.12/250,158.11
  6. Step 6: Final answer
    x = 186,902.72

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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.