Home / 250,142.41-375,219.15-90,231.13

Finding the Fourth Proportional to 250,142.41, 375,219.15 and 90,231.13

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Solution

The fourth proportional to 250,142.41, 375,219.15 and 90,231.13 is: 135,348.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,142.41 : 375,219.15 = 90,231.13 : x
  2. Step 2: Convert to fraction form
    250,142.41/375,219.15 = 90,231.13/x
  3. Step 3: Cross multiply
    250,142.41x = 375,219.15 × 90,231.13
  4. Step 4: Simplify right side
    250,142.41x = 33,856,447,902.14
  5. Step 5: Solve for x
    x = 33,856,447,902.14/250,142.41
  6. Step 6: Final answer
    x = 135,348.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.