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Finding the Fourth Proportional to 178,830.80, 267,857.40 and 108,587.60

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Solution

The fourth proportional to 178,830.80, 267,857.40 and 108,587.60 is: 162,645.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,830.80 : 267,857.40 = 108,587.60 : x
  2. Step 2: Convert to fraction form
    178,830.80/267,857.40 = 108,587.60/x
  3. Step 3: Cross multiply
    178,830.80x = 267,857.40 × 108,587.60
  4. Step 4: Simplify right side
    178,830.80x = 29,085,992,208.24
  5. Step 5: Solve for x
    x = 29,085,992,208.24/178,830.80
  6. Step 6: Final answer
    x = 162,645.32

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