Home / 143,067.46-214,605.70-68,195.74

Finding the Fourth Proportional to 143,067.46, 214,605.70 and 68,195.74

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Solution

The fourth proportional to 143,067.46, 214,605.70 and 68,195.74 is: 102,295.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,067.46 : 214,605.70 = 68,195.74 : x
  2. Step 2: Convert to fraction form
    143,067.46/214,605.70 = 68,195.74/x
  3. Step 3: Cross multiply
    143,067.46x = 214,605.70 × 68,195.74
  4. Step 4: Simplify right side
    143,067.46x = 14,635,194,519.72
  5. Step 5: Solve for x
    x = 14,635,194,519.72/143,067.46
  6. Step 6: Final answer
    x = 102,295.76

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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.