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Finding the Fourth Proportional to 208,879.60, 313,492.20 and 96,732.40

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Solution

The fourth proportional to 208,879.60, 313,492.20 and 96,732.40 is: 145,178.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,879.60 : 313,492.20 = 96,732.40 : x
  2. Step 2: Convert to fraction form
    208,879.60/313,492.20 = 96,732.40/x
  3. Step 3: Cross multiply
    208,879.60x = 313,492.20 × 96,732.40
  4. Step 4: Simplify right side
    208,879.60x = 30,324,852,887.28
  5. Step 5: Solve for x
    x = 30,324,852,887.28/208,879.60
  6. Step 6: Final answer
    x = 145,178.62

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