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Finding the Fourth Proportional to 133,572.60, 200,099.70 and 74,302.20

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Solution

The fourth proportional to 133,572.60, 200,099.70 and 74,302.20 is: 111,309.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,572.60 : 200,099.70 = 74,302.20 : x
  2. Step 2: Convert to fraction form
    133,572.60/200,099.70 = 74,302.20/x
  3. Step 3: Cross multiply
    133,572.60x = 200,099.70 × 74,302.20
  4. Step 4: Simplify right side
    133,572.60x = 14,867,847,929.34
  5. Step 5: Solve for x
    x = 14,867,847,929.34/133,572.60
  6. Step 6: Final answer
    x = 111,309.12

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