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Finding the Fourth Proportional to 107,781.04, 161,571.56 and 55,074.32

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Solution

The fourth proportional to 107,781.04, 161,571.56 and 55,074.32 is: 82,560.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,781.04 : 161,571.56 = 55,074.32 : x
  2. Step 2: Convert to fraction form
    107,781.04/161,571.56 = 55,074.32/x
  3. Step 3: Cross multiply
    107,781.04x = 161,571.56 × 55,074.32
  4. Step 4: Simplify right side
    107,781.04x = 8,898,443,798.34
  5. Step 5: Solve for x
    x = 8,898,443,798.34/107,781.04
  6. Step 6: Final answer
    x = 82,560.38

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