Home / 168,110.64-231,919.20-120,346.56

Finding the Fourth Proportional to 168,110.64, 231,919.20 and 120,346.56

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Solution

The fourth proportional to 168,110.64, 231,919.20 and 120,346.56 is: 166,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,110.64 : 231,919.20 = 120,346.56 : x
  2. Step 2: Convert to fraction form
    168,110.64/231,919.20 = 120,346.56/x
  3. Step 3: Cross multiply
    168,110.64x = 231,919.20 × 120,346.56
  4. Step 4: Simplify right side
    168,110.64x = 27,910,677,917.95
  5. Step 5: Solve for x
    x = 27,910,677,917.95/168,110.64
  6. Step 6: Final answer
    x = 166,025.65

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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.