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Finding the Fourth Proportional to 245,642.40, 368,463.78 and 68,149.58

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Solution

The fourth proportional to 245,642.40, 368,463.78 and 68,149.58 is: 102,224.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,642.40 : 368,463.78 = 68,149.58 : x
  2. Step 2: Convert to fraction form
    245,642.40/368,463.78 = 68,149.58/x
  3. Step 3: Cross multiply
    245,642.40x = 368,463.78 × 68,149.58
  4. Step 4: Simplify right side
    245,642.40x = 25,110,650,009.89
  5. Step 5: Solve for x
    x = 25,110,650,009.89/245,642.40
  6. Step 6: Final answer
    x = 102,224.41

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