Home / 113,738.39-170,469.23-80,468.05

Finding the Fourth Proportional to 113,738.39, 170,469.23 and 80,468.05

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Solution

The fourth proportional to 113,738.39, 170,469.23 and 80,468.05 is: 120,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,738.39 : 170,469.23 = 80,468.05 : x
  2. Step 2: Convert to fraction form
    113,738.39/170,469.23 = 80,468.05/x
  3. Step 3: Cross multiply
    113,738.39x = 170,469.23 × 80,468.05
  4. Step 4: Simplify right side
    113,738.39x = 13,717,326,523.10
  5. Step 5: Solve for x
    x = 13,717,326,523.10/113,738.39
  6. Step 6: Final answer
    x = 120,604.19

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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.