Home / 239,789.90-330,910.08-132,359.96

Finding the Fourth Proportional to 239,789.90, 330,910.08 and 132,359.96

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Solution

The fourth proportional to 239,789.90, 330,910.08 and 132,359.96 is: 182,656.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,789.90 : 330,910.08 = 132,359.96 : x
  2. Step 2: Convert to fraction form
    239,789.90/330,910.08 = 132,359.96/x
  3. Step 3: Cross multiply
    239,789.90x = 330,910.08 × 132,359.96
  4. Step 4: Simplify right side
    239,789.90x = 43,799,244,952.40
  5. Step 5: Solve for x
    x = 43,799,244,952.40/239,789.90
  6. Step 6: Final answer
    x = 182,656.75

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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.