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Finding the Fourth Proportional to 121,409.20, 182,027.40 and 46,500.40

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Solution

The fourth proportional to 121,409.20, 182,027.40 and 46,500.40 is: 69,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,409.20 : 182,027.40 = 46,500.40 : x
  2. Step 2: Convert to fraction form
    121,409.20/182,027.40 = 46,500.40/x
  3. Step 3: Cross multiply
    121,409.20x = 182,027.40 × 46,500.40
  4. Step 4: Simplify right side
    121,409.20x = 8,464,346,910.96
  5. Step 5: Solve for x
    x = 8,464,346,910.96/121,409.20
  6. Step 6: Final answer
    x = 69,717.51

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