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Finding the Fourth Proportional to 100,269.97, 138,359.41 and 59,969.03

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Solution

The fourth proportional to 100,269.97, 138,359.41 and 59,969.03 is: 82,749.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,269.97 : 138,359.41 = 59,969.03 : x
  2. Step 2: Convert to fraction form
    100,269.97/138,359.41 = 59,969.03/x
  3. Step 3: Cross multiply
    100,269.97x = 138,359.41 × 59,969.03
  4. Step 4: Simplify right side
    100,269.97x = 8,297,278,767.35
  5. Step 5: Solve for x
    x = 8,297,278,767.35/100,269.97
  6. Step 6: Final answer
    x = 82,749.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.