Home / 239,081.41-329,932.33-131,651.18

Finding the Fourth Proportional to 239,081.41, 329,932.33 and 131,651.18

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Solution

The fourth proportional to 239,081.41, 329,932.33 and 131,651.18 is: 181,678.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,081.41 : 329,932.33 = 131,651.18 : x
  2. Step 2: Convert to fraction form
    239,081.41/329,932.33 = 131,651.18/x
  3. Step 3: Cross multiply
    239,081.41x = 329,932.33 × 131,651.18
  4. Step 4: Simplify right side
    239,081.41x = 43,435,980,564.65
  5. Step 5: Solve for x
    x = 43,435,980,564.65/239,081.41
  6. Step 6: Final answer
    x = 181,678.62

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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.