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Finding the Fourth Proportional to 98,112.35, 135,395.96 and 55,667.54

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Solution

The fourth proportional to 98,112.35, 135,395.96 and 55,667.54 is: 76,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,112.35 : 135,395.96 = 55,667.54 : x
  2. Step 2: Convert to fraction form
    98,112.35/135,395.96 = 55,667.54/x
  3. Step 3: Cross multiply
    98,112.35x = 135,395.96 × 55,667.54
  4. Step 4: Simplify right side
    98,112.35x = 7,537,159,342.16
  5. Step 5: Solve for x
    x = 7,537,159,342.16/98,112.35
  6. Step 6: Final answer
    x = 76,821.72

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