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Finding the Fourth Proportional to 170,951.40, 256,427.10 and 161,109.90

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Solution

The fourth proportional to 170,951.40, 256,427.10 and 161,109.90 is: 241,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,951.40 : 256,427.10 = 161,109.90 : x
  2. Step 2: Convert to fraction form
    170,951.40/256,427.10 = 161,109.90/x
  3. Step 3: Cross multiply
    170,951.40x = 256,427.10 × 161,109.90
  4. Step 4: Simplify right side
    170,951.40x = 41,312,944,438.29
  5. Step 5: Solve for x
    x = 41,312,944,438.29/170,951.40
  6. Step 6: Final answer
    x = 241,664.85

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