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Finding the Fourth Proportional to 170,736.40, 256,104.60 and 65,557.90

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Solution

The fourth proportional to 170,736.40, 256,104.60 and 65,557.90 is: 98,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,736.40 : 256,104.60 = 65,557.90 : x
  2. Step 2: Convert to fraction form
    170,736.40/256,104.60 = 65,557.90/x
  3. Step 3: Cross multiply
    170,736.40x = 256,104.60 × 65,557.90
  4. Step 4: Simplify right side
    170,736.40x = 16,789,679,756.34
  5. Step 5: Solve for x
    x = 16,789,679,756.34/170,736.40
  6. Step 6: Final answer
    x = 98,336.85

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