Home / 239,378.05-330,356.48-131,947.82

Finding the Fourth Proportional to 239,378.05, 330,356.48 and 131,947.82

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Solution

The fourth proportional to 239,378.05, 330,356.48 and 131,947.82 is: 182,096.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,378.05 : 330,356.48 = 131,947.82 : x
  2. Step 2: Convert to fraction form
    239,378.05/330,356.48 = 131,947.82/x
  3. Step 3: Cross multiply
    239,378.05x = 330,356.48 × 131,947.82
  4. Step 4: Simplify right side
    239,378.05x = 43,589,816,286.19
  5. Step 5: Solve for x
    x = 43,589,816,286.19/239,378.05
  6. Step 6: Final answer
    x = 182,096.13

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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.