Home / 129,842.85-194,646.72-50,935.89

Finding the Fourth Proportional to 129,842.85, 194,646.72 and 50,935.89

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Solution

The fourth proportional to 129,842.85, 194,646.72 and 50,935.89 is: 76,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,842.85 : 194,646.72 = 50,935.89 : x
  2. Step 2: Convert to fraction form
    129,842.85/194,646.72 = 50,935.89/x
  3. Step 3: Cross multiply
    129,842.85x = 194,646.72 × 50,935.89
  4. Step 4: Simplify right side
    129,842.85x = 9,914,503,918.78
  5. Step 5: Solve for x
    x = 9,914,503,918.78/129,842.85
  6. Step 6: Final answer
    x = 76,357.72

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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.