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Finding the Fourth Proportional to 161,877.40, 242,816.10 and 136,216.60

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Solution

The fourth proportional to 161,877.40, 242,816.10 and 136,216.60 is: 204,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,877.40 : 242,816.10 = 136,216.60 : x
  2. Step 2: Convert to fraction form
    161,877.40/242,816.10 = 136,216.60/x
  3. Step 3: Cross multiply
    161,877.40x = 242,816.10 × 136,216.60
  4. Step 4: Simplify right side
    161,877.40x = 33,075,583,567.26
  5. Step 5: Solve for x
    x = 33,075,583,567.26/161,877.40
  6. Step 6: Final answer
    x = 204,324.90

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