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Finding the Fourth Proportional to 171,057.10, 256,627.38 and 120,554.59

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Solution

The fourth proportional to 171,057.10, 256,627.38 and 120,554.59 is: 180,861.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,057.10 : 256,627.38 = 120,554.59 : x
  2. Step 2: Convert to fraction form
    171,057.10/256,627.38 = 120,554.59/x
  3. Step 3: Cross multiply
    171,057.10x = 256,627.38 × 120,554.59
  4. Step 4: Simplify right side
    171,057.10x = 30,937,608,578.67
  5. Step 5: Solve for x
    x = 30,937,608,578.67/171,057.10
  6. Step 6: Final answer
    x = 180,861.29

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