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Finding the Fourth Proportional to 98,884.82, 136,485.48 and 56,467.96

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Solution

The fourth proportional to 98,884.82, 136,485.48 and 56,467.96 is: 77,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,884.82 : 136,485.48 = 56,467.96 : x
  2. Step 2: Convert to fraction form
    98,884.82/136,485.48 = 56,467.96/x
  3. Step 3: Cross multiply
    98,884.82x = 136,485.48 × 56,467.96
  4. Step 4: Simplify right side
    98,884.82x = 7,707,056,625.22
  5. Step 5: Solve for x
    x = 7,707,056,625.22/98,884.82
  6. Step 6: Final answer
    x = 77,939.73

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