Home / 239,198.80-330,096.64-131,772.64

Finding the Fourth Proportional to 239,198.80, 330,096.64 and 131,772.64

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Solution

The fourth proportional to 239,198.80, 330,096.64 and 131,772.64 is: 181,847.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,198.80 : 330,096.64 = 131,772.64 : x
  2. Step 2: Convert to fraction form
    239,198.80/330,096.64 = 131,772.64/x
  3. Step 3: Cross multiply
    239,198.80x = 330,096.64 × 131,772.64
  4. Step 4: Simplify right side
    239,198.80x = 43,497,705,707.93
  5. Step 5: Solve for x
    x = 43,497,705,707.93/239,198.80
  6. Step 6: Final answer
    x = 181,847.51

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1.5x scale

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.