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Finding the Fourth Proportional to 121,327.20, 181,904.40 and 46,418.40

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Solution

The fourth proportional to 121,327.20, 181,904.40 and 46,418.40 is: 69,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,327.20 : 181,904.40 = 46,418.40 : x
  2. Step 2: Convert to fraction form
    121,327.20/181,904.40 = 46,418.40/x
  3. Step 3: Cross multiply
    121,327.20x = 181,904.40 × 46,418.40
  4. Step 4: Simplify right side
    121,327.20x = 8,443,711,200.96
  5. Step 5: Solve for x
    x = 8,443,711,200.96/121,327.20
  6. Step 6: Final answer
    x = 69,594.54

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