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Finding the Fourth Proportional to 323,780.20, 485,670.30 and 102,164.20

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Solution

The fourth proportional to 323,780.20, 485,670.30 and 102,164.20 is: 153,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,780.20 : 485,670.30 = 102,164.20 : x
  2. Step 2: Convert to fraction form
    323,780.20/485,670.30 = 102,164.20/x
  3. Step 3: Cross multiply
    323,780.20x = 485,670.30 × 102,164.20
  4. Step 4: Simplify right side
    323,780.20x = 49,618,117,663.26
  5. Step 5: Solve for x
    x = 49,618,117,663.26/323,780.20
  6. Step 6: Final answer
    x = 153,246.30

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