Home / 166,625.56-229,942.31-90,144.42

Finding the Fourth Proportional to 166,625.56, 229,942.31 and 90,144.42

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Solution

The fourth proportional to 166,625.56, 229,942.31 and 90,144.42 is: 124,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,625.56 : 229,942.31 = 90,144.42 : x
  2. Step 2: Convert to fraction form
    166,625.56/229,942.31 = 90,144.42/x
  3. Step 3: Cross multiply
    166,625.56x = 229,942.31 × 90,144.42
  4. Step 4: Simplify right side
    166,625.56x = 20,728,016,168.41
  5. Step 5: Solve for x
    x = 20,728,016,168.41/166,625.56
  6. Step 6: Final answer
    x = 124,398.78

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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.