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Finding the Fourth Proportional to 201,711.20, 301,910.70 and 157,096.40

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Solution

The fourth proportional to 201,711.20, 301,910.70 and 157,096.40 is: 235,133.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,711.20 : 301,910.70 = 157,096.40 : x
  2. Step 2: Convert to fraction form
    201,711.20/301,910.70 = 157,096.40/x
  3. Step 3: Cross multiply
    201,711.20x = 301,910.70 × 157,096.40
  4. Step 4: Simplify right side
    201,711.20x = 47,429,084,091.48
  5. Step 5: Solve for x
    x = 47,429,084,091.48/201,711.20
  6. Step 6: Final answer
    x = 235,133.62

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