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Finding the Fourth Proportional to 165,781.70, 248,672.55 and 124,309.70

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Solution

The fourth proportional to 165,781.70, 248,672.55 and 124,309.70 is: 186,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,781.70 : 248,672.55 = 124,309.70 : x
  2. Step 2: Convert to fraction form
    165,781.70/248,672.55 = 124,309.70/x
  3. Step 3: Cross multiply
    165,781.70x = 248,672.55 × 124,309.70
  4. Step 4: Simplify right side
    165,781.70x = 30,912,410,088.74
  5. Step 5: Solve for x
    x = 30,912,410,088.74/165,781.70
  6. Step 6: Final answer
    x = 186,464.55

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