Home / 129,969.21-194,960.74-41,229.66

Finding the Fourth Proportional to 129,969.21, 194,960.74 and 41,229.66

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Solution

The fourth proportional to 129,969.21, 194,960.74 and 41,229.66 is: 61,846.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,969.21 : 194,960.74 = 41,229.66 : x
  2. Step 2: Convert to fraction form
    129,969.21/194,960.74 = 41,229.66/x
  3. Step 3: Cross multiply
    129,969.21x = 194,960.74 × 41,229.66
  4. Step 4: Simplify right side
    129,969.21x = 8,038,165,023.55
  5. Step 5: Solve for x
    x = 8,038,165,023.55/129,969.21
  6. Step 6: Final answer
    x = 61,846.69

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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.