Home / 239,769.45-359,654.13-71,289.09

Finding the Fourth Proportional to 239,769.45, 359,654.13 and 71,289.09

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Solution

The fourth proportional to 239,769.45, 359,654.13 and 71,289.09 is: 106,933.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,769.45 : 359,654.13 = 71,289.09 : x
  2. Step 2: Convert to fraction form
    239,769.45/359,654.13 = 71,289.09/x
  3. Step 3: Cross multiply
    239,769.45x = 359,654.13 × 71,289.09
  4. Step 4: Simplify right side
    239,769.45x = 25,639,415,642.44
  5. Step 5: Solve for x
    x = 25,639,415,642.44/239,769.45
  6. Step 6: Final answer
    x = 106,933.62

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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.