Home / 139,198.86-192,094.94-75,536.65

Finding the Fourth Proportional to 139,198.86, 192,094.94 and 75,536.65

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Solution

The fourth proportional to 139,198.86, 192,094.94 and 75,536.65 is: 104,240.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,198.86 : 192,094.94 = 75,536.65 : x
  2. Step 2: Convert to fraction form
    139,198.86/192,094.94 = 75,536.65/x
  3. Step 3: Cross multiply
    139,198.86x = 192,094.94 × 75,536.65
  4. Step 4: Simplify right side
    139,198.86x = 14,510,208,249.55
  5. Step 5: Solve for x
    x = 14,510,208,249.55/139,198.86
  6. Step 6: Final answer
    x = 104,240.86

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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.