Home / 159,741.37-239,759.61-80,910.96

Finding the Fourth Proportional to 159,741.37, 239,759.61 and 80,910.96

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Solution

The fourth proportional to 159,741.37, 239,759.61 and 80,910.96 is: 121,441.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,741.37 : 239,759.61 = 80,910.96 : x
  2. Step 2: Convert to fraction form
    159,741.37/239,759.61 = 80,910.96/x
  3. Step 3: Cross multiply
    159,741.37x = 239,759.61 × 80,910.96
  4. Step 4: Simplify right side
    159,741.37x = 19,399,180,214.33
  5. Step 5: Solve for x
    x = 19,399,180,214.33/159,741.37
  6. Step 6: Final answer
    x = 121,441.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.