Home / 111,023.10-166,576.46-66,680.78

Finding the Fourth Proportional to 111,023.10, 166,576.46 and 66,680.78

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Solution

The fourth proportional to 111,023.10, 166,576.46 and 66,680.78 is: 100,046.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,023.10 : 166,576.46 = 66,680.78 : x
  2. Step 2: Convert to fraction form
    111,023.10/166,576.46 = 66,680.78/x
  3. Step 3: Cross multiply
    111,023.10x = 166,576.46 × 66,680.78
  4. Step 4: Simplify right side
    111,023.10x = 11,107,447,116.15
  5. Step 5: Solve for x
    x = 11,107,447,116.15/111,023.10
  6. Step 6: Final answer
    x = 100,046.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.