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Finding the Fourth Proportional to 121,672.20, 167,905.86 and 67,957.98

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Solution

The fourth proportional to 121,672.20, 167,905.86 and 67,957.98 is: 93,781.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,672.20 : 167,905.86 = 67,957.98 : x
  2. Step 2: Convert to fraction form
    121,672.20/167,905.86 = 67,957.98/x
  3. Step 3: Cross multiply
    121,672.20x = 167,905.86 × 67,957.98
  4. Step 4: Simplify right side
    121,672.20x = 11,410,543,075.76
  5. Step 5: Solve for x
    x = 11,410,543,075.76/121,672.20
  6. Step 6: Final answer
    x = 93,781.02

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