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Finding the Fourth Proportional to 107,918.80, 161,878.20 and 104,846.80

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Solution

The fourth proportional to 107,918.80, 161,878.20 and 104,846.80 is: 157,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,918.80 : 161,878.20 = 104,846.80 : x
  2. Step 2: Convert to fraction form
    107,918.80/161,878.20 = 104,846.80/x
  3. Step 3: Cross multiply
    107,918.80x = 161,878.20 × 104,846.80
  4. Step 4: Simplify right side
    107,918.80x = 16,972,411,259.76
  5. Step 5: Solve for x
    x = 16,972,411,259.76/107,918.80
  6. Step 6: Final answer
    x = 157,270.20

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