Home / 129,958.29-194,961.74-41,187.96

Finding the Fourth Proportional to 129,958.29, 194,961.74 and 41,187.96

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Solution

The fourth proportional to 129,958.29, 194,961.74 and 41,187.96 is: 61,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,958.29 : 194,961.74 = 41,187.96 : x
  2. Step 2: Convert to fraction form
    129,958.29/194,961.74 = 41,187.96/x
  3. Step 3: Cross multiply
    129,958.29x = 194,961.74 × 41,187.96
  4. Step 4: Simplify right side
    129,958.29x = 8,030,076,348.65
  5. Step 5: Solve for x
    x = 8,030,076,348.65/129,958.29
  6. Step 6: Final answer
    x = 61,789.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.