Home / 120,474.34-166,255.57-66,760.26

Finding the Fourth Proportional to 120,474.34, 166,255.57 and 66,760.26

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Solution

The fourth proportional to 120,474.34, 166,255.57 and 66,760.26 is: 92,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,474.34 : 166,255.57 = 66,760.26 : x
  2. Step 2: Convert to fraction form
    120,474.34/166,255.57 = 66,760.26/x
  3. Step 3: Cross multiply
    120,474.34x = 166,255.57 × 66,760.26
  4. Step 4: Simplify right side
    120,474.34x = 11,099,264,248.37
  5. Step 5: Solve for x
    x = 11,099,264,248.37/120,474.34
  6. Step 6: Final answer
    x = 92,129.69

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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.