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Finding the Fourth Proportional to 166,091.40, 248,877.90 and 143,800.20

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Solution

The fourth proportional to 166,091.40, 248,877.90 and 143,800.20 is: 215,475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,091.40 : 248,877.90 = 143,800.20 : x
  2. Step 2: Convert to fraction form
    166,091.40/248,877.90 = 143,800.20/x
  3. Step 3: Cross multiply
    166,091.40x = 248,877.90 × 143,800.20
  4. Step 4: Simplify right side
    166,091.40x = 35,788,691,795.58
  5. Step 5: Solve for x
    x = 35,788,691,795.58/166,091.40
  6. Step 6: Final answer
    x = 215,475.89

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