Home / 239,120.55-329,982.38-131,700.58

Finding the Fourth Proportional to 239,120.55, 329,982.38 and 131,700.58

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Solution

The fourth proportional to 239,120.55, 329,982.38 and 131,700.58 is: 181,744.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,120.55 : 329,982.38 = 131,700.58 : x
  2. Step 2: Convert to fraction form
    239,120.55/329,982.38 = 131,700.58/x
  3. Step 3: Cross multiply
    239,120.55x = 329,982.38 × 131,700.58
  4. Step 4: Simplify right side
    239,120.55x = 43,458,870,835.78
  5. Step 5: Solve for x
    x = 43,458,870,835.78/239,120.55
  6. Step 6: Final answer
    x = 181,744.61

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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.