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Finding the Fourth Proportional to 98,840.52, 136,399.72 and 53,518.54

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Solution

The fourth proportional to 98,840.52, 136,399.72 and 53,518.54 is: 73,855.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,840.52 : 136,399.72 = 53,518.54 : x
  2. Step 2: Convert to fraction form
    98,840.52/136,399.72 = 53,518.54/x
  3. Step 3: Cross multiply
    98,840.52x = 136,399.72 × 53,518.54
  4. Step 4: Simplify right side
    98,840.52x = 7,299,913,870.81
  5. Step 5: Solve for x
    x = 7,299,913,870.81/98,840.52
  6. Step 6: Final answer
    x = 73,855.48

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