Home / 239,414.50-330,393-131,982.16

Finding the Fourth Proportional to 239,414.50, 330,393 and 131,982.16

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Solution

The fourth proportional to 239,414.50, 330,393 and 131,982.16 is: 182,135.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,414.50 : 330,393 = 131,982.16 : x
  2. Step 2: Convert to fraction form
    239,414.50/330,393 = 131,982.16/x
  3. Step 3: Cross multiply
    239,414.50x = 330,393 × 131,982.16
  4. Step 4: Simplify right side
    239,414.50x = 43,605,981,788.88
  5. Step 5: Solve for x
    x = 43,605,981,788.88/239,414.50
  6. Step 6: Final answer
    x = 182,135.93

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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.