Home / 139,219.14-192,121.26-75,556.94

Finding the Fourth Proportional to 139,219.14, 192,121.26 and 75,556.94

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Solution

The fourth proportional to 139,219.14, 192,121.26 and 75,556.94 is: 104,267.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,219.14 : 192,121.26 = 75,556.94 : x
  2. Step 2: Convert to fraction form
    139,219.14/192,121.26 = 75,556.94/x
  3. Step 3: Cross multiply
    139,219.14x = 192,121.26 × 75,556.94
  4. Step 4: Simplify right side
    139,219.14x = 14,516,093,553.94
  5. Step 5: Solve for x
    x = 14,516,093,553.94/139,219.14
  6. Step 6: Final answer
    x = 104,267.94

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1.5x scale

Why These Related Problems?

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