Home / 89,942.97-134,704.38-71,096.43

Finding the Fourth Proportional to 89,942.97, 134,704.38 and 71,096.43

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Solution

The fourth proportional to 89,942.97, 134,704.38 and 71,096.43 is: 106,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,942.97 : 134,704.38 = 71,096.43 : x
  2. Step 2: Convert to fraction form
    89,942.97/134,704.38 = 71,096.43/x
  3. Step 3: Cross multiply
    89,942.97x = 134,704.38 × 71,096.43
  4. Step 4: Simplify right side
    89,942.97x = 9,577,000,523.36
  5. Step 5: Solve for x
    x = 9,577,000,523.36/89,942.97
  6. Step 6: Final answer
    x = 106,478.59

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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.