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Finding the Fourth Proportional to 111,615.40, 167,423.10 and 74,225.80

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Solution

The fourth proportional to 111,615.40, 167,423.10 and 74,225.80 is: 111,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,615.40 : 167,423.10 = 74,225.80 : x
  2. Step 2: Convert to fraction form
    111,615.40/167,423.10 = 74,225.80/x
  3. Step 3: Cross multiply
    111,615.40x = 167,423.10 × 74,225.80
  4. Step 4: Simplify right side
    111,615.40x = 12,427,113,535.98
  5. Step 5: Solve for x
    x = 12,427,113,535.98/111,615.40
  6. Step 6: Final answer
    x = 111,338.70

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