Home / 211,519.70-317,069.31-106,016.66

Finding the Fourth Proportional to 211,519.70, 317,069.31 and 106,016.66

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Solution

The fourth proportional to 211,519.70, 317,069.31 and 106,016.66 is: 158,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,519.70 : 317,069.31 = 106,016.66 : x
  2. Step 2: Convert to fraction form
    211,519.70/317,069.31 = 106,016.66/x
  3. Step 3: Cross multiply
    211,519.70x = 317,069.31 × 106,016.66
  4. Step 4: Simplify right side
    211,519.70x = 33,614,629,234.70
  5. Step 5: Solve for x
    x = 33,614,629,234.70/211,519.70
  6. Step 6: Final answer
    x = 158,919.61

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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.