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Finding the Fourth Proportional to 170,630.43, 255,945.78 and 45,971.43

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Solution

The fourth proportional to 170,630.43, 255,945.78 and 45,971.43 is: 68,957.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,630.43 : 255,945.78 = 45,971.43 : x
  2. Step 2: Convert to fraction form
    170,630.43/255,945.78 = 45,971.43/x
  3. Step 3: Cross multiply
    170,630.43x = 255,945.78 × 45,971.43
  4. Step 4: Simplify right side
    170,630.43x = 11,766,193,509.07
  5. Step 5: Solve for x
    x = 11,766,193,509.07/170,630.43
  6. Step 6: Final answer
    x = 68,957.18

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