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Finding the Fourth Proportional to 166,722.60, 250,083.90 and 66,898.20

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Solution

The fourth proportional to 166,722.60, 250,083.90 and 66,898.20 is: 100,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,722.60 : 250,083.90 = 66,898.20 : x
  2. Step 2: Convert to fraction form
    166,722.60/250,083.90 = 66,898.20/x
  3. Step 3: Cross multiply
    166,722.60x = 250,083.90 × 66,898.20
  4. Step 4: Simplify right side
    166,722.60x = 16,730,162,758.98
  5. Step 5: Solve for x
    x = 16,730,162,758.98/166,722.60
  6. Step 6: Final answer
    x = 100,347.30

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