Home / 166,286.25-229,480.07-90,839.61

Finding the Fourth Proportional to 166,286.25, 229,480.07 and 90,839.61

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Solution

The fourth proportional to 166,286.25, 229,480.07 and 90,839.61 is: 125,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,286.25 : 229,480.07 = 90,839.61 : x
  2. Step 2: Convert to fraction form
    166,286.25/229,480.07 = 90,839.61/x
  3. Step 3: Cross multiply
    166,286.25x = 229,480.07 × 90,839.61
  4. Step 4: Simplify right side
    166,286.25x = 20,845,880,061.57
  5. Step 5: Solve for x
    x = 20,845,880,061.57/166,286.25
  6. Step 6: Final answer
    x = 125,361.42

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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.