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Finding the Fourth Proportional to 216,470.32, 298,723.44 and 120,977.80

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Solution

The fourth proportional to 216,470.32, 298,723.44 and 120,977.80 is: 166,946.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,470.32 : 298,723.44 = 120,977.80 : x
  2. Step 2: Convert to fraction form
    216,470.32/298,723.44 = 120,977.80/x
  3. Step 3: Cross multiply
    216,470.32x = 298,723.44 × 120,977.80
  4. Step 4: Simplify right side
    216,470.32x = 36,138,904,579.63
  5. Step 5: Solve for x
    x = 36,138,904,579.63/216,470.32
  6. Step 6: Final answer
    x = 166,946.23

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