Home / 239,338.47-330,290.94-131,906.95

Finding the Fourth Proportional to 239,338.47, 330,290.94 and 131,906.95

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Solution

The fourth proportional to 239,338.47, 330,290.94 and 131,906.95 is: 182,033.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,338.47 : 330,290.94 = 131,906.95 : x
  2. Step 2: Convert to fraction form
    239,338.47/330,290.94 = 131,906.95/x
  3. Step 3: Cross multiply
    239,338.47x = 330,290.94 × 131,906.95
  4. Step 4: Simplify right side
    239,338.47x = 43,567,670,508.03
  5. Step 5: Solve for x
    x = 43,567,670,508.03/239,338.47
  6. Step 6: Final answer
    x = 182,033.71

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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.