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Finding the Fourth Proportional to 165,720.70, 248,613.45 and 65,863.90

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Solution

The fourth proportional to 165,720.70, 248,613.45 and 65,863.90 is: 98,808.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,720.70 : 248,613.45 = 65,863.90 : x
  2. Step 2: Convert to fraction form
    165,720.70/248,613.45 = 65,863.90/x
  3. Step 3: Cross multiply
    165,720.70x = 248,613.45 × 65,863.90
  4. Step 4: Simplify right side
    165,720.70x = 16,374,651,409.46
  5. Step 5: Solve for x
    x = 16,374,651,409.46/165,720.70
  6. Step 6: Final answer
    x = 98,808.73

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