Home / 129,902.58-194,859.27-41,154.12

Finding the Fourth Proportional to 129,902.58, 194,859.27 and 41,154.12

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Solution

The fourth proportional to 129,902.58, 194,859.27 and 41,154.12 is: 61,732.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,902.58 : 194,859.27 = 41,154.12 : x
  2. Step 2: Convert to fraction form
    129,902.58/194,859.27 = 41,154.12/x
  3. Step 3: Cross multiply
    129,902.58x = 194,859.27 × 41,154.12
  4. Step 4: Simplify right side
    129,902.58x = 8,019,261,780.69
  5. Step 5: Solve for x
    x = 8,019,261,780.69/129,902.58
  6. Step 6: Final answer
    x = 61,732.89

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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.