Home / 238,620.22-329,292.92-131,189.30

Finding the Fourth Proportional to 238,620.22, 329,292.92 and 131,189.30

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Solution

The fourth proportional to 238,620.22, 329,292.92 and 131,189.30 is: 181,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,620.22 : 329,292.92 = 131,189.30 : x
  2. Step 2: Convert to fraction form
    238,620.22/329,292.92 = 131,189.30/x
  3. Step 3: Cross multiply
    238,620.22x = 329,292.92 × 131,189.30
  4. Step 4: Simplify right side
    238,620.22x = 43,199,707,669.76
  5. Step 5: Solve for x
    x = 43,199,707,669.76/238,620.22
  6. Step 6: Final answer
    x = 181,039.59

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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.