Home / 120,474.32-166,255.53-66,760.22

Finding the Fourth Proportional to 120,474.32, 166,255.53 and 66,760.22

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Solution

The fourth proportional to 120,474.32, 166,255.53 and 66,760.22 is: 92,129.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,474.32 : 166,255.53 = 66,760.22 : x
  2. Step 2: Convert to fraction form
    120,474.32/166,255.53 = 66,760.22/x
  3. Step 3: Cross multiply
    120,474.32x = 166,255.53 × 66,760.22
  4. Step 4: Simplify right side
    120,474.32x = 11,099,256,174.66
  5. Step 5: Solve for x
    x = 11,099,256,174.66/120,474.32
  6. Step 6: Final answer
    x = 92,129.65

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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.