Home / 120,469.20-166,248.90-66,754.86

Finding the Fourth Proportional to 120,469.20, 166,248.90 and 66,754.86

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Solution

The fourth proportional to 120,469.20, 166,248.90 and 66,754.86 is: 92,122.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,469.20 : 166,248.90 = 66,754.86 : x
  2. Step 2: Convert to fraction form
    120,469.20/166,248.90 = 66,754.86/x
  3. Step 3: Cross multiply
    120,469.20x = 166,248.90 × 66,754.86
  4. Step 4: Simplify right side
    120,469.20x = 11,097,922,044.65
  5. Step 5: Solve for x
    x = 11,097,922,044.65/120,469.20
  6. Step 6: Final answer
    x = 92,122.48

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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.