Home / 215,433.44-323,297.75-75,192.06

Finding the Fourth Proportional to 215,433.44, 323,297.75 and 75,192.06

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Solution

The fourth proportional to 215,433.44, 323,297.75 and 75,192.06 is: 112,839.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,433.44 : 323,297.75 = 75,192.06 : x
  2. Step 2: Convert to fraction form
    215,433.44/323,297.75 = 75,192.06/x
  3. Step 3: Cross multiply
    215,433.44x = 323,297.75 × 75,192.06
  4. Step 4: Simplify right side
    215,433.44x = 24,309,424,003.85
  5. Step 5: Solve for x
    x = 24,309,424,003.85/215,433.44
  6. Step 6: Final answer
    x = 112,839.61

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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.