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Finding the Fourth Proportional to 165,414.40, 248,077.44 and 71,897.92

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Solution

The fourth proportional to 165,414.40, 248,077.44 and 71,897.92 is: 107,827.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,414.40 : 248,077.44 = 71,897.92 : x
  2. Step 2: Convert to fraction form
    165,414.40/248,077.44 = 71,897.92/x
  3. Step 3: Cross multiply
    165,414.40x = 248,077.44 × 71,897.92
  4. Step 4: Simplify right side
    165,414.40x = 17,836,251,934.92
  5. Step 5: Solve for x
    x = 17,836,251,934.92/165,414.40
  6. Step 6: Final answer
    x = 107,827.69

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