Home / 104,520.28-144,297.83-68,814.09

Finding the Fourth Proportional to 104,520.28, 144,297.83 and 68,814.09

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Solution

The fourth proportional to 104,520.28, 144,297.83 and 68,814.09 is: 95,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,520.28 : 144,297.83 = 68,814.09 : x
  2. Step 2: Convert to fraction form
    104,520.28/144,297.83 = 68,814.09/x
  3. Step 3: Cross multiply
    104,520.28x = 144,297.83 × 68,814.09
  4. Step 4: Simplify right side
    104,520.28x = 9,929,723,860.42
  5. Step 5: Solve for x
    x = 9,929,723,860.42/104,520.28
  6. Step 6: Final answer
    x = 95,002.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.