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Finding the Fourth Proportional to 166,948.58, 250,311.66 and 86,789.57

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Solution

The fourth proportional to 166,948.58, 250,311.66 and 86,789.57 is: 130,126.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,948.58 : 250,311.66 = 86,789.57 : x
  2. Step 2: Convert to fraction form
    166,948.58/250,311.66 = 86,789.57/x
  3. Step 3: Cross multiply
    166,948.58x = 250,311.66 × 86,789.57
  4. Step 4: Simplify right side
    166,948.58x = 21,724,441,337.39
  5. Step 5: Solve for x
    x = 21,724,441,337.39/166,948.58
  6. Step 6: Final answer
    x = 130,126.54

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