Home / 113,769.44-170,634.72-30,644

Finding the Fourth Proportional to 113,769.44, 170,634.72 and 30,644

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Solution

The fourth proportional to 113,769.44, 170,634.72 and 30,644 is: 45,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,769.44 : 170,634.72 = 30,644 : x
  2. Step 2: Convert to fraction form
    113,769.44/170,634.72 = 30,644/x
  3. Step 3: Cross multiply
    113,769.44x = 170,634.72 × 30,644
  4. Step 4: Simplify right side
    113,769.44x = 5,228,930,359.68
  5. Step 5: Solve for x
    x = 5,228,930,359.68/113,769.44
  6. Step 6: Final answer
    x = 45,960.76

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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.