Home / 238,667.22-329,351.91-131,230.86

Finding the Fourth Proportional to 238,667.22, 329,351.91 and 131,230.86

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Solution

The fourth proportional to 238,667.22, 329,351.91 and 131,230.86 is: 181,093.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,667.22 : 329,351.91 = 131,230.86 : x
  2. Step 2: Convert to fraction form
    238,667.22/329,351.91 = 131,230.86/x
  3. Step 3: Cross multiply
    238,667.22x = 329,351.91 × 131,230.86
  4. Step 4: Simplify right side
    238,667.22x = 43,221,134,391.94
  5. Step 5: Solve for x
    x = 43,221,134,391.94/238,667.22
  6. Step 6: Final answer
    x = 181,093.72

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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.