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Finding the Fourth Proportional to 225,662.85, 311,373.87 and 145,071.90

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Solution

The fourth proportional to 225,662.85, 311,373.87 and 145,071.90 is: 200,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,662.85 : 311,373.87 = 145,071.90 : x
  2. Step 2: Convert to fraction form
    225,662.85/311,373.87 = 145,071.90/x
  3. Step 3: Cross multiply
    225,662.85x = 311,373.87 × 145,071.90
  4. Step 4: Simplify right side
    225,662.85x = 45,171,598,931.25
  5. Step 5: Solve for x
    x = 45,171,598,931.25/225,662.85
  6. Step 6: Final answer
    x = 200,172.95

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