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Finding the Fourth Proportional to 352,063.80, 528,090.90 and 115,414.20

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Solution

The fourth proportional to 352,063.80, 528,090.90 and 115,414.20 is: 173,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,063.80 : 528,090.90 = 115,414.20 : x
  2. Step 2: Convert to fraction form
    352,063.80/528,090.90 = 115,414.20/x
  3. Step 3: Cross multiply
    352,063.80x = 528,090.90 × 115,414.20
  4. Step 4: Simplify right side
    352,063.80x = 60,949,188,750.78
  5. Step 5: Solve for x
    x = 60,949,188,750.78/352,063.80
  6. Step 6: Final answer
    x = 173,119.73

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