Home / 129,736.44-194,254.11-67,275.72

Finding the Fourth Proportional to 129,736.44, 194,254.11 and 67,275.72

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Solution

The fourth proportional to 129,736.44, 194,254.11 and 67,275.72 is: 100,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,736.44 : 194,254.11 = 67,275.72 : x
  2. Step 2: Convert to fraction form
    129,736.44/194,254.11 = 67,275.72/x
  3. Step 3: Cross multiply
    129,736.44x = 194,254.11 × 67,275.72
  4. Step 4: Simplify right side
    129,736.44x = 13,068,585,113.21
  5. Step 5: Solve for x
    x = 13,068,585,113.21/129,736.44
  6. Step 6: Final answer
    x = 100,731.80

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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.