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Finding the Fourth Proportional to 165,730.70, 248,682.45 and 72,245.90

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Solution

The fourth proportional to 165,730.70, 248,682.45 and 72,245.90 is: 108,406.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,730.70 : 248,682.45 = 72,245.90 : x
  2. Step 2: Convert to fraction form
    165,730.70/248,682.45 = 72,245.90/x
  3. Step 3: Cross multiply
    165,730.70x = 248,682.45 × 72,245.90
  4. Step 4: Simplify right side
    165,730.70x = 17,966,287,414.46
  5. Step 5: Solve for x
    x = 17,966,287,414.46/165,730.70
  6. Step 6: Final answer
    x = 108,406.51

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