Home / 166,163.28-229,304.16-90,711.78

Finding the Fourth Proportional to 166,163.28, 229,304.16 and 90,711.78

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Solution

The fourth proportional to 166,163.28, 229,304.16 and 90,711.78 is: 125,181.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,163.28 : 229,304.16 = 90,711.78 : x
  2. Step 2: Convert to fraction form
    166,163.28/229,304.16 = 90,711.78/x
  3. Step 3: Cross multiply
    166,163.28x = 229,304.16 × 90,711.78
  4. Step 4: Simplify right side
    166,163.28x = 20,800,588,515.00
  5. Step 5: Solve for x
    x = 20,800,588,515.00/166,163.28
  6. Step 6: Final answer
    x = 125,181.62

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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.