Home / 159,914.97-239,784.21-65,120.85

Finding the Fourth Proportional to 159,914.97, 239,784.21 and 65,120.85

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Solution

The fourth proportional to 159,914.97, 239,784.21 and 65,120.85 is: 97,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,914.97 : 239,784.21 = 65,120.85 : x
  2. Step 2: Convert to fraction form
    159,914.97/239,784.21 = 65,120.85/x
  3. Step 3: Cross multiply
    159,914.97x = 239,784.21 × 65,120.85
  4. Step 4: Simplify right side
    159,914.97x = 15,614,951,571.78
  5. Step 5: Solve for x
    x = 15,614,951,571.78/159,914.97
  6. Step 6: Final answer
    x = 97,645.34

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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.