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Finding the Fourth Proportional to 170,722.80, 256,084.20 and 114,735.60

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Solution

The fourth proportional to 170,722.80, 256,084.20 and 114,735.60 is: 172,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,722.80 : 256,084.20 = 114,735.60 : x
  2. Step 2: Convert to fraction form
    170,722.80/256,084.20 = 114,735.60/x
  3. Step 3: Cross multiply
    170,722.80x = 256,084.20 × 114,735.60
  4. Step 4: Simplify right side
    170,722.80x = 29,381,974,337.52
  5. Step 5: Solve for x
    x = 29,381,974,337.52/170,722.80
  6. Step 6: Final answer
    x = 172,103.40

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