Home / 129,790.27-194,601.71-50,912.47

Finding the Fourth Proportional to 129,790.27, 194,601.71 and 50,912.47

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Solution

The fourth proportional to 129,790.27, 194,601.71 and 50,912.47 is: 76,335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,790.27 : 194,601.71 = 50,912.47 : x
  2. Step 2: Convert to fraction form
    129,790.27/194,601.71 = 50,912.47/x
  3. Step 3: Cross multiply
    129,790.27x = 194,601.71 × 50,912.47
  4. Step 4: Simplify right side
    129,790.27x = 9,907,653,467.76
  5. Step 5: Solve for x
    x = 9,907,653,467.76/129,790.27
  6. Step 6: Final answer
    x = 76,335.87

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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.