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Finding the Fourth Proportional to 180,819.40, 270,969.90 and 133,061.80

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Solution

The fourth proportional to 180,819.40, 270,969.90 and 133,061.80 is: 199,401.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,819.40 : 270,969.90 = 133,061.80 : x
  2. Step 2: Convert to fraction form
    180,819.40/270,969.90 = 133,061.80/x
  3. Step 3: Cross multiply
    180,819.40x = 270,969.90 × 133,061.80
  4. Step 4: Simplify right side
    180,819.40x = 36,055,742,639.82
  5. Step 5: Solve for x
    x = 36,055,742,639.82/180,819.40
  6. Step 6: Final answer
    x = 199,401.96

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