Home / 239,529.20-330,535-132,100

Finding the Fourth Proportional to 239,529.20, 330,535 and 132,100

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Solution

The fourth proportional to 239,529.20, 330,535 and 132,100 is: 182,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,529.20 : 330,535 = 132,100 : x
  2. Step 2: Convert to fraction form
    239,529.20/330,535 = 132,100/x
  3. Step 3: Cross multiply
    239,529.20x = 330,535 × 132,100
  4. Step 4: Simplify right side
    239,529.20x = 43,663,673,500
  5. Step 5: Solve for x
    x = 43,663,673,500/239,529.20
  6. Step 6: Final answer
    x = 182,289.56

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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.