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Finding the Fourth Proportional to 139,217.26, 192,119.97 and 75,555.10

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Solution

The fourth proportional to 139,217.26, 192,119.97 and 75,555.10 is: 104,266.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,217.26 : 192,119.97 = 75,555.10 : x
  2. Step 2: Convert to fraction form
    139,217.26/192,119.97 = 75,555.10/x
  3. Step 3: Cross multiply
    139,217.26x = 192,119.97 × 75,555.10
  4. Step 4: Simplify right side
    139,217.26x = 14,515,643,545.35
  5. Step 5: Solve for x
    x = 14,515,643,545.35/139,217.26
  6. Step 6: Final answer
    x = 104,266.12

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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.