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Finding the Fourth Proportional to 188,841.20, 282,678.60 and 109,720.40

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Solution

The fourth proportional to 188,841.20, 282,678.60 and 109,720.40 is: 164,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,841.20 : 282,678.60 = 109,720.40 : x
  2. Step 2: Convert to fraction form
    188,841.20/282,678.60 = 109,720.40/x
  3. Step 3: Cross multiply
    188,841.20x = 282,678.60 × 109,720.40
  4. Step 4: Simplify right side
    188,841.20x = 31,015,609,063.44
  5. Step 5: Solve for x
    x = 31,015,609,063.44/188,841.20
  6. Step 6: Final answer
    x = 164,241.75

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