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Finding the Fourth Proportional to 167,878.80, 251,818.20 and 161,427.60

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Solution

The fourth proportional to 167,878.80, 251,818.20 and 161,427.60 is: 242,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,878.80 : 251,818.20 = 161,427.60 : x
  2. Step 2: Convert to fraction form
    167,878.80/251,818.20 = 161,427.60/x
  3. Step 3: Cross multiply
    167,878.80x = 251,818.20 × 161,427.60
  4. Step 4: Simplify right side
    167,878.80x = 40,650,407,662.32
  5. Step 5: Solve for x
    x = 40,650,407,662.32/167,878.80
  6. Step 6: Final answer
    x = 242,141.40

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