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Finding the Fourth Proportional to 125,716, 188,597.19 and 41,481.98

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Solution

The fourth proportional to 125,716, 188,597.19 and 41,481.98 is: 62,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,716 : 188,597.19 = 41,481.98 : x
  2. Step 2: Convert to fraction form
    125,716/188,597.19 = 41,481.98/x
  3. Step 3: Cross multiply
    125,716x = 188,597.19 × 41,481.98
  4. Step 4: Simplify right side
    125,716x = 7,823,384,863.64
  5. Step 5: Solve for x
    x = 7,823,384,863.64/125,716
  6. Step 6: Final answer
    x = 62,230.62

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Why These Related Problems?

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