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Finding the Fourth Proportional to 165,644.80, 248,467.20 and 109,657.60

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Solution

The fourth proportional to 165,644.80, 248,467.20 and 109,657.60 is: 164,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,644.80 : 248,467.20 = 109,657.60 : x
  2. Step 2: Convert to fraction form
    165,644.80/248,467.20 = 109,657.60/x
  3. Step 3: Cross multiply
    165,644.80x = 248,467.20 × 109,657.60
  4. Step 4: Simplify right side
    165,644.80x = 27,246,316,830.72
  5. Step 5: Solve for x
    x = 27,246,316,830.72/165,644.80
  6. Step 6: Final answer
    x = 164,486.40

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