Home / 195,399.44-269,772.18-149,990.48

Finding the Fourth Proportional to 195,399.44, 269,772.18 and 149,990.48

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Solution

The fourth proportional to 195,399.44, 269,772.18 and 149,990.48 is: 207,079.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,399.44 : 269,772.18 = 149,990.48 : x
  2. Step 2: Convert to fraction form
    195,399.44/269,772.18 = 149,990.48/x
  3. Step 3: Cross multiply
    195,399.44x = 269,772.18 × 149,990.48
  4. Step 4: Simplify right side
    195,399.44x = 40,463,258,768.85
  5. Step 5: Solve for x
    x = 40,463,258,768.85/195,399.44
  6. Step 6: Final answer
    x = 207,079.71

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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.