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Finding the Fourth Proportional to 121,565.94, 167,769.45 and 67,861.44

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Solution

The fourth proportional to 121,565.94, 167,769.45 and 67,861.44 is: 93,653.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,565.94 : 167,769.45 = 67,861.44 : x
  2. Step 2: Convert to fraction form
    121,565.94/167,769.45 = 67,861.44/x
  3. Step 3: Cross multiply
    121,565.94x = 167,769.45 × 67,861.44
  4. Step 4: Simplify right side
    121,565.94x = 11,385,076,465.01
  5. Step 5: Solve for x
    x = 11,385,076,465.01/121,565.94
  6. Step 6: Final answer
    x = 93,653.51

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