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Finding the Fourth Proportional to 110,424.40, 165,636.60 and 84,180.40

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Solution

The fourth proportional to 110,424.40, 165,636.60 and 84,180.40 is: 126,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,424.40 : 165,636.60 = 84,180.40 : x
  2. Step 2: Convert to fraction form
    110,424.40/165,636.60 = 84,180.40/x
  3. Step 3: Cross multiply
    110,424.40x = 165,636.60 × 84,180.40
  4. Step 4: Simplify right side
    110,424.40x = 13,943,355,242.64
  5. Step 5: Solve for x
    x = 13,943,355,242.64/110,424.40
  6. Step 6: Final answer
    x = 126,270.60

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