Home / 239,042.05-329,865.49-131,591.32

Finding the Fourth Proportional to 239,042.05, 329,865.49 and 131,591.32

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Solution

The fourth proportional to 239,042.05, 329,865.49 and 131,591.32 is: 181,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,042.05 : 329,865.49 = 131,591.32 : x
  2. Step 2: Convert to fraction form
    239,042.05/329,865.49 = 131,591.32/x
  3. Step 3: Cross multiply
    239,042.05x = 329,865.49 × 131,591.32
  4. Step 4: Simplify right side
    239,042.05x = 43,407,434,591.37
  5. Step 5: Solve for x
    x = 43,407,434,591.37/239,042.05
  6. Step 6: Final answer
    x = 181,589.12

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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.