Home / 129,939.12-194,933.25-41,214.96

Finding the Fourth Proportional to 129,939.12, 194,933.25 and 41,214.96

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Solution

The fourth proportional to 129,939.12, 194,933.25 and 41,214.96 is: 61,830.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,939.12 : 194,933.25 = 41,214.96 : x
  2. Step 2: Convert to fraction form
    129,939.12/194,933.25 = 41,214.96/x
  3. Step 3: Cross multiply
    129,939.12x = 194,933.25 × 41,214.96
  4. Step 4: Simplify right side
    129,939.12x = 8,034,166,101.42
  5. Step 5: Solve for x
    x = 8,034,166,101.42/129,939.12
  6. Step 6: Final answer
    x = 61,830.23

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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.