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Finding the Fourth Proportional to 192,400.40, 288,892.20 and 148,077.20

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Solution

The fourth proportional to 192,400.40, 288,892.20 and 148,077.20 is: 222,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,400.40 : 288,892.20 = 148,077.20 : x
  2. Step 2: Convert to fraction form
    192,400.40/288,892.20 = 148,077.20/x
  3. Step 3: Cross multiply
    192,400.40x = 288,892.20 × 148,077.20
  4. Step 4: Simplify right side
    192,400.40x = 42,778,348,077.84
  5. Step 5: Solve for x
    x = 42,778,348,077.84/192,400.40
  6. Step 6: Final answer
    x = 222,340.22

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