Home / 230,731.20-345,902.40-119,923.20

Finding the Fourth Proportional to 230,731.20, 345,902.40 and 119,923.20

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Solution

The fourth proportional to 230,731.20, 345,902.40 and 119,923.20 is: 179,783.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,731.20 : 345,902.40 = 119,923.20 : x
  2. Step 2: Convert to fraction form
    230,731.20/345,902.40 = 119,923.20/x
  3. Step 3: Cross multiply
    230,731.20x = 345,902.40 × 119,923.20
  4. Step 4: Simplify right side
    230,731.20x = 41,481,722,695.68
  5. Step 5: Solve for x
    x = 41,481,722,695.68/230,731.20
  6. Step 6: Final answer
    x = 179,783.76

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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.