Home / 139,049.26-208,590.09-50,344.54

Finding the Fourth Proportional to 139,049.26, 208,590.09 and 50,344.54

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Solution

The fourth proportional to 139,049.26, 208,590.09 and 50,344.54 is: 75,522.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,049.26 : 208,590.09 = 50,344.54 : x
  2. Step 2: Convert to fraction form
    139,049.26/208,590.09 = 50,344.54/x
  3. Step 3: Cross multiply
    139,049.26x = 208,590.09 × 50,344.54
  4. Step 4: Simplify right side
    139,049.26x = 10,501,372,129.61
  5. Step 5: Solve for x
    x = 10,501,372,129.61/139,049.26
  6. Step 6: Final answer
    x = 75,522.68

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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.