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Finding the Fourth Proportional to 98,328.96, 135,698.40 and 53,616.96

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Solution

The fourth proportional to 98,328.96, 135,698.40 and 53,616.96 is: 73,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,328.96 : 135,698.40 = 53,616.96 : x
  2. Step 2: Convert to fraction form
    98,328.96/135,698.40 = 53,616.96/x
  3. Step 3: Cross multiply
    98,328.96x = 135,698.40 × 53,616.96
  4. Step 4: Simplify right side
    98,328.96x = 7,275,735,684.86
  5. Step 5: Solve for x
    x = 7,275,735,684.86/98,328.96
  6. Step 6: Final answer
    x = 73,993.82

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