Home / 250,375.38-345,518.15-137,198.13

Finding the Fourth Proportional to 250,375.38, 345,518.15 and 137,198.13

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Solution

The fourth proportional to 250,375.38, 345,518.15 and 137,198.13 is: 189,333.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,375.38 : 345,518.15 = 137,198.13 : x
  2. Step 2: Convert to fraction form
    250,375.38/345,518.15 = 137,198.13/x
  3. Step 3: Cross multiply
    250,375.38x = 345,518.15 × 137,198.13
  4. Step 4: Simplify right side
    250,375.38x = 47,404,444,061.06
  5. Step 5: Solve for x
    x = 47,404,444,061.06/250,375.38
  6. Step 6: Final answer
    x = 189,333.49

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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.