Home / 139,474.43-192,524.07-82,885.13

Finding the Fourth Proportional to 139,474.43, 192,524.07 and 82,885.13

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Solution

The fourth proportional to 139,474.43, 192,524.07 and 82,885.13 is: 114,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,474.43 : 192,524.07 = 82,885.13 : x
  2. Step 2: Convert to fraction form
    139,474.43/192,524.07 = 82,885.13/x
  3. Step 3: Cross multiply
    139,474.43x = 192,524.07 × 82,885.13
  4. Step 4: Simplify right side
    139,474.43x = 15,957,382,570.08
  5. Step 5: Solve for x
    x = 15,957,382,570.08/139,474.43
  6. Step 6: Final answer
    x = 114,410.81

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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.