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Finding the Fourth Proportional to 164,911.70, 247,367.55 and 122,921.30

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Solution

The fourth proportional to 164,911.70, 247,367.55 and 122,921.30 is: 184,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,911.70 : 247,367.55 = 122,921.30 : x
  2. Step 2: Convert to fraction form
    164,911.70/247,367.55 = 122,921.30/x
  3. Step 3: Cross multiply
    164,911.70x = 247,367.55 × 122,921.30
  4. Step 4: Simplify right side
    164,911.70x = 30,406,740,823.82
  5. Step 5: Solve for x
    x = 30,406,740,823.82/164,911.70
  6. Step 6: Final answer
    x = 184,381.95

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