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Finding the Fourth Proportional to 144,065.20, 216,097.80 and 109,073.20

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Solution

The fourth proportional to 144,065.20, 216,097.80 and 109,073.20 is: 163,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,065.20 : 216,097.80 = 109,073.20 : x
  2. Step 2: Convert to fraction form
    144,065.20/216,097.80 = 109,073.20/x
  3. Step 3: Cross multiply
    144,065.20x = 216,097.80 × 109,073.20
  4. Step 4: Simplify right side
    144,065.20x = 23,570,478,558.96
  5. Step 5: Solve for x
    x = 23,570,478,558.96/144,065.20
  6. Step 6: Final answer
    x = 163,609.80

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