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Finding the Fourth Proportional to 103,228.80, 154,843.20 and 96,230.40

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Solution

The fourth proportional to 103,228.80, 154,843.20 and 96,230.40 is: 144,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,228.80 : 154,843.20 = 96,230.40 : x
  2. Step 2: Convert to fraction form
    103,228.80/154,843.20 = 96,230.40/x
  3. Step 3: Cross multiply
    103,228.80x = 154,843.20 × 96,230.40
  4. Step 4: Simplify right side
    103,228.80x = 14,900,623,073.28
  5. Step 5: Solve for x
    x = 14,900,623,073.28/103,228.80
  6. Step 6: Final answer
    x = 144,345.60

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