Home / 239,382.87-330,348.28-131,954.70

Finding the Fourth Proportional to 239,382.87, 330,348.28 and 131,954.70

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Solution

The fourth proportional to 239,382.87, 330,348.28 and 131,954.70 is: 182,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,382.87 : 330,348.28 = 131,954.70 : x
  2. Step 2: Convert to fraction form
    239,382.87/330,348.28 = 131,954.70/x
  3. Step 3: Cross multiply
    239,382.87x = 330,348.28 × 131,954.70
  4. Step 4: Simplify right side
    239,382.87x = 43,591,008,182.92
  5. Step 5: Solve for x
    x = 43,591,008,182.92/239,382.87
  6. Step 6: Final answer
    x = 182,097.44

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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.