Home / 166,831.78-250,286.55-54,517.18

Finding the Fourth Proportional to 166,831.78, 250,286.55 and 54,517.18

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Solution

The fourth proportional to 166,831.78, 250,286.55 and 54,517.18 is: 81,788.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,831.78 : 250,286.55 = 54,517.18 : x
  2. Step 2: Convert to fraction form
    166,831.78/250,286.55 = 54,517.18/x
  3. Step 3: Cross multiply
    166,831.78x = 250,286.55 × 54,517.18
  4. Step 4: Simplify right side
    166,831.78x = 13,644,916,897.93
  5. Step 5: Solve for x
    x = 13,644,916,897.93/166,831.78
  6. Step 6: Final answer
    x = 81,788.48

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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.