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Finding the Fourth Proportional to 111,945.21, 167,976.13 and 49,601.13

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Solution

The fourth proportional to 111,945.21, 167,976.13 and 49,601.13 is: 74,427.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,945.21 : 167,976.13 = 49,601.13 : x
  2. Step 2: Convert to fraction form
    111,945.21/167,976.13 = 49,601.13/x
  3. Step 3: Cross multiply
    111,945.21x = 167,976.13 × 49,601.13
  4. Step 4: Simplify right side
    111,945.21x = 8,331,805,861.03
  5. Step 5: Solve for x
    x = 8,331,805,861.03/111,945.21
  6. Step 6: Final answer
    x = 74,427.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.