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Finding the Fourth Proportional to 170,759.40, 256,168.80 and 70,864.80

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Solution

The fourth proportional to 170,759.40, 256,168.80 and 70,864.80 is: 106,309.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,759.40 : 256,168.80 = 70,864.80 : x
  2. Step 2: Convert to fraction form
    170,759.40/256,168.80 = 70,864.80/x
  3. Step 3: Cross multiply
    170,759.40x = 256,168.80 × 70,864.80
  4. Step 4: Simplify right side
    170,759.40x = 18,153,350,778.24
  5. Step 5: Solve for x
    x = 18,153,350,778.24/170,759.40
  6. Step 6: Final answer
    x = 106,309.53

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