Home / 166,912.20-230,337.24-90,429.60

Finding the Fourth Proportional to 166,912.20, 230,337.24 and 90,429.60

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Solution

The fourth proportional to 166,912.20, 230,337.24 and 90,429.60 is: 124,791.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,912.20 : 230,337.24 = 90,429.60 : x
  2. Step 2: Convert to fraction form
    166,912.20/230,337.24 = 90,429.60/x
  3. Step 3: Cross multiply
    166,912.20x = 230,337.24 × 90,429.60
  4. Step 4: Simplify right side
    166,912.20x = 20,829,304,478.30
  5. Step 5: Solve for x
    x = 20,829,304,478.30/166,912.20
  6. Step 6: Final answer
    x = 124,791.98

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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.