Home / 238,610.87-329,283.86-131,187.71

Finding the Fourth Proportional to 238,610.87, 329,283.86 and 131,187.71

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Solution

The fourth proportional to 238,610.87, 329,283.86 and 131,187.71 is: 181,039.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,610.87 : 329,283.86 = 131,187.71 : x
  2. Step 2: Convert to fraction form
    238,610.87/329,283.86 = 131,187.71/x
  3. Step 3: Cross multiply
    238,610.87x = 329,283.86 × 131,187.71
  4. Step 4: Simplify right side
    238,610.87x = 43,197,993,231.00
  5. Step 5: Solve for x
    x = 43,197,993,231.00/238,610.87
  6. Step 6: Final answer
    x = 181,039.51

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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.