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Finding the Fourth Proportional to 368,108.20, 552,162.30 and 131,458.60

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Solution

The fourth proportional to 368,108.20, 552,162.30 and 131,458.60 is: 197,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,108.20 : 552,162.30 = 131,458.60 : x
  2. Step 2: Convert to fraction form
    368,108.20/552,162.30 = 131,458.60/x
  3. Step 3: Cross multiply
    368,108.20x = 552,162.30 × 131,458.60
  4. Step 4: Simplify right side
    368,108.20x = 72,586,482,930.78
  5. Step 5: Solve for x
    x = 72,586,482,930.78/368,108.20
  6. Step 6: Final answer
    x = 197,187.90

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