Home / 179,120.80-268,753.92-115,150.48

Finding the Fourth Proportional to 179,120.80, 268,753.92 and 115,150.48

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Solution

The fourth proportional to 179,120.80, 268,753.92 and 115,150.48 is: 172,772.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,120.80 : 268,753.92 = 115,150.48 : x
  2. Step 2: Convert to fraction form
    179,120.80/268,753.92 = 115,150.48/x
  3. Step 3: Cross multiply
    179,120.80x = 268,753.92 × 115,150.48
  4. Step 4: Simplify right side
    179,120.80x = 30,947,142,889.88
  5. Step 5: Solve for x
    x = 30,947,142,889.88/179,120.80
  6. Step 6: Final answer
    x = 172,772.47

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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.