Home / 120,560.72-166,369.32-66,846.68

Finding the Fourth Proportional to 120,560.72, 166,369.32 and 66,846.68

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Solution

The fourth proportional to 120,560.72, 166,369.32 and 66,846.68 is: 92,245.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,560.72 : 166,369.32 = 66,846.68 : x
  2. Step 2: Convert to fraction form
    120,560.72/166,369.32 = 66,846.68/x
  3. Step 3: Cross multiply
    120,560.72x = 166,369.32 × 66,846.68
  4. Step 4: Simplify right side
    120,560.72x = 11,121,236,695.86
  5. Step 5: Solve for x
    x = 11,121,236,695.86/120,560.72
  6. Step 6: Final answer
    x = 92,245.94

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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.