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Finding the Fourth Proportional to 98,387.60, 135,776.40 and 53,675.60

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Solution

The fourth proportional to 98,387.60, 135,776.40 and 53,675.60 is: 74,073.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,387.60 : 135,776.40 = 53,675.60 : x
  2. Step 2: Convert to fraction form
    98,387.60/135,776.40 = 53,675.60/x
  3. Step 3: Cross multiply
    98,387.60x = 135,776.40 × 53,675.60
  4. Step 4: Simplify right side
    98,387.60x = 7,287,879,735.84
  5. Step 5: Solve for x
    x = 7,287,879,735.84/98,387.60
  6. Step 6: Final answer
    x = 74,073.15

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