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Finding the Fourth Proportional to 165,636.80, 248,455.20 and 152,806.40

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Solution

The fourth proportional to 165,636.80, 248,455.20 and 152,806.40 is: 229,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,636.80 : 248,455.20 = 152,806.40 : x
  2. Step 2: Convert to fraction form
    165,636.80/248,455.20 = 152,806.40/x
  3. Step 3: Cross multiply
    165,636.80x = 248,455.20 × 152,806.40
  4. Step 4: Simplify right side
    165,636.80x = 37,965,544,673.28
  5. Step 5: Solve for x
    x = 37,965,544,673.28/165,636.80
  6. Step 6: Final answer
    x = 229,209.60

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