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Finding the Fourth Proportional to 208,719.60, 313,252.20 and 96,572.40

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Solution

The fourth proportional to 208,719.60, 313,252.20 and 96,572.40 is: 144,938.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,719.60 : 313,252.20 = 96,572.40 : x
  2. Step 2: Convert to fraction form
    208,719.60/313,252.20 = 96,572.40/x
  3. Step 3: Cross multiply
    208,719.60x = 313,252.20 × 96,572.40
  4. Step 4: Simplify right side
    208,719.60x = 30,251,516,759.28
  5. Step 5: Solve for x
    x = 30,251,516,759.28/208,719.60
  6. Step 6: Final answer
    x = 144,938.55

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