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Finding the Fourth Proportional to 155,698.85, 214,917.47 and 96,808.40

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Solution

The fourth proportional to 155,698.85, 214,917.47 and 96,808.40 is: 133,628.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,698.85 : 214,917.47 = 96,808.40 : x
  2. Step 2: Convert to fraction form
    155,698.85/214,917.47 = 96,808.40/x
  3. Step 3: Cross multiply
    155,698.85x = 214,917.47 × 96,808.40
  4. Step 4: Simplify right side
    155,698.85x = 20,805,816,402.75
  5. Step 5: Solve for x
    x = 20,805,816,402.75/155,698.85
  6. Step 6: Final answer
    x = 133,628.58

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