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Finding the Fourth Proportional to 111,399.60, 167,099.40 and 97,840.20

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Solution

The fourth proportional to 111,399.60, 167,099.40 and 97,840.20 is: 146,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,399.60 : 167,099.40 = 97,840.20 : x
  2. Step 2: Convert to fraction form
    111,399.60/167,099.40 = 97,840.20/x
  3. Step 3: Cross multiply
    111,399.60x = 167,099.40 × 97,840.20
  4. Step 4: Simplify right side
    111,399.60x = 16,349,038,715.88
  5. Step 5: Solve for x
    x = 16,349,038,715.88/111,399.60
  6. Step 6: Final answer
    x = 146,760.30

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