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Finding the Fourth Proportional to 165,781.53, 248,463.05 and 70,899.48

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Solution

The fourth proportional to 165,781.53, 248,463.05 and 70,899.48 is: 106,259.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,781.53 : 248,463.05 = 70,899.48 : x
  2. Step 2: Convert to fraction form
    165,781.53/248,463.05 = 70,899.48/x
  3. Step 3: Cross multiply
    165,781.53x = 248,463.05 × 70,899.48
  4. Step 4: Simplify right side
    165,781.53x = 17,615,900,689.72
  5. Step 5: Solve for x
    x = 17,615,900,689.72/165,781.53
  6. Step 6: Final answer
    x = 106,259.73

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