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Finding the Fourth Proportional to 101,170.88, 139,608.65 and 55,841.59

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Solution

The fourth proportional to 101,170.88, 139,608.65 and 55,841.59 is: 77,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,170.88 : 139,608.65 = 55,841.59 : x
  2. Step 2: Convert to fraction form
    101,170.88/139,608.65 = 55,841.59/x
  3. Step 3: Cross multiply
    101,170.88x = 139,608.65 × 55,841.59
  4. Step 4: Simplify right side
    101,170.88x = 7,795,968,016.50
  5. Step 5: Solve for x
    x = 7,795,968,016.50/101,170.88
  6. Step 6: Final answer
    x = 77,057.43

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