Home / 150,217.16-207,297.78-90,601.16

Finding the Fourth Proportional to 150,217.16, 207,297.78 and 90,601.16

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Solution

The fourth proportional to 150,217.16, 207,297.78 and 90,601.16 is: 125,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,217.16 : 207,297.78 = 90,601.16 : x
  2. Step 2: Convert to fraction form
    150,217.16/207,297.78 = 90,601.16/x
  3. Step 3: Cross multiply
    150,217.16x = 207,297.78 × 90,601.16
  4. Step 4: Simplify right side
    150,217.16x = 18,781,419,333.42
  5. Step 5: Solve for x
    x = 18,781,419,333.42/150,217.16
  6. Step 6: Final answer
    x = 125,028.45

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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.