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Finding the Fourth Proportional to 121,090.47, 167,089.80 and 67,371.67

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Solution

The fourth proportional to 121,090.47, 167,089.80 and 67,371.67 is: 92,964.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,090.47 : 167,089.80 = 67,371.67 : x
  2. Step 2: Convert to fraction form
    121,090.47/167,089.80 = 67,371.67/x
  3. Step 3: Cross multiply
    121,090.47x = 167,089.80 × 67,371.67
  4. Step 4: Simplify right side
    121,090.47x = 11,257,118,865.97
  5. Step 5: Solve for x
    x = 11,257,118,865.97/121,090.47
  6. Step 6: Final answer
    x = 92,964.53

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