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Finding the Fourth Proportional to 192,226.40, 288,631.20 and 147,903.20

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Solution

The fourth proportional to 192,226.40, 288,631.20 and 147,903.20 is: 222,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,226.40 : 288,631.20 = 147,903.20 : x
  2. Step 2: Convert to fraction form
    192,226.40/288,631.20 = 147,903.20/x
  3. Step 3: Cross multiply
    192,226.40x = 288,631.20 × 147,903.20
  4. Step 4: Simplify right side
    192,226.40x = 42,689,478,099.84
  5. Step 5: Solve for x
    x = 42,689,478,099.84/192,226.40
  6. Step 6: Final answer
    x = 222,079.16

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