Home / 129,618.73-194,421.60-50,747.41

Finding the Fourth Proportional to 129,618.73, 194,421.60 and 50,747.41

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Solution

The fourth proportional to 129,618.73, 194,421.60 and 50,747.41 is: 76,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,618.73 : 194,421.60 = 50,747.41 : x
  2. Step 2: Convert to fraction form
    129,618.73/194,421.60 = 50,747.41/x
  3. Step 3: Cross multiply
    129,618.73x = 194,421.60 × 50,747.41
  4. Step 4: Simplify right side
    129,618.73x = 9,866,392,648.06
  5. Step 5: Solve for x
    x = 9,866,392,648.06/129,618.73
  6. Step 6: Final answer
    x = 76,118.57

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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.