Home / 166,286.75-229,480.76-90,840.11

Finding the Fourth Proportional to 166,286.75, 229,480.76 and 90,840.11

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Solution

The fourth proportional to 166,286.75, 229,480.76 and 90,840.11 is: 125,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,286.75 : 229,480.76 = 90,840.11 : x
  2. Step 2: Convert to fraction form
    166,286.75/229,480.76 = 90,840.11/x
  3. Step 3: Cross multiply
    166,286.75x = 229,480.76 × 90,840.11
  4. Step 4: Simplify right side
    166,286.75x = 20,846,057,481.28
  5. Step 5: Solve for x
    x = 20,846,057,481.28/166,286.75
  6. Step 6: Final answer
    x = 125,362.11

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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.