Home / 238,561.92-329,211.77-131,129.65

Finding the Fourth Proportional to 238,561.92, 329,211.77 and 131,129.65

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Solution

The fourth proportional to 238,561.92, 329,211.77 and 131,129.65 is: 180,956.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,561.92 : 329,211.77 = 131,129.65 : x
  2. Step 2: Convert to fraction form
    238,561.92/329,211.77 = 131,129.65/x
  3. Step 3: Cross multiply
    238,561.92x = 329,211.77 × 131,129.65
  4. Step 4: Simplify right side
    238,561.92x = 43,169,422,697.30
  5. Step 5: Solve for x
    x = 43,169,422,697.30/238,561.92
  6. Step 6: Final answer
    x = 180,956.89

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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.