Home / 172,936.85-238,616.57-104,989.60

Finding the Fourth Proportional to 172,936.85, 238,616.57 and 104,989.60

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Solution

The fourth proportional to 172,936.85, 238,616.57 and 104,989.60 is: 144,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,936.85 : 238,616.57 = 104,989.60 : x
  2. Step 2: Convert to fraction form
    172,936.85/238,616.57 = 104,989.60/x
  3. Step 3: Cross multiply
    172,936.85x = 238,616.57 × 104,989.60
  4. Step 4: Simplify right side
    172,936.85x = 25,052,256,519.64
  5. Step 5: Solve for x
    x = 25,052,256,519.64/172,936.85
  6. Step 6: Final answer
    x = 144,863.61

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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.