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Finding the Fourth Proportional to 451,499.78, 677,242.80 and 109,946.42

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Solution

The fourth proportional to 451,499.78, 677,242.80 and 109,946.42 is: 164,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,499.78 : 677,242.80 = 109,946.42 : x
  2. Step 2: Convert to fraction form
    451,499.78/677,242.80 = 109,946.42/x
  3. Step 3: Cross multiply
    451,499.78x = 677,242.80 × 109,946.42
  4. Step 4: Simplify right side
    451,499.78x = 74,460,421,330.78
  5. Step 5: Solve for x
    x = 74,460,421,330.78/451,499.78
  6. Step 6: Final answer
    x = 164,917.96

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