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Finding the Fourth Proportional to 103,306.80, 154,960.20 and 36,749.10

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Solution

The fourth proportional to 103,306.80, 154,960.20 and 36,749.10 is: 55,123.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,306.80 : 154,960.20 = 36,749.10 : x
  2. Step 2: Convert to fraction form
    103,306.80/154,960.20 = 36,749.10/x
  3. Step 3: Cross multiply
    103,306.80x = 154,960.20 × 36,749.10
  4. Step 4: Simplify right side
    103,306.80x = 5,694,647,885.82
  5. Step 5: Solve for x
    x = 5,694,647,885.82/103,306.80
  6. Step 6: Final answer
    x = 55,123.65

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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.