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Finding the Fourth Proportional to 124,505.20, 186,466.20 and 84,847.60

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Solution

The fourth proportional to 124,505.20, 186,466.20 and 84,847.60 is: 127,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,505.20 : 186,466.20 = 84,847.60 : x
  2. Step 2: Convert to fraction form
    124,505.20/186,466.20 = 84,847.60/x
  3. Step 3: Cross multiply
    124,505.20x = 186,466.20 × 84,847.60
  4. Step 4: Simplify right side
    124,505.20x = 15,821,209,551.12
  5. Step 5: Solve for x
    x = 15,821,209,551.12/124,505.20
  6. Step 6: Final answer
    x = 127,072.68

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