Home / 139,193.24-208,789.80-50,446.58

Finding the Fourth Proportional to 139,193.24, 208,789.80 and 50,446.58

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Solution

The fourth proportional to 139,193.24, 208,789.80 and 50,446.58 is: 75,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,193.24 : 208,789.80 = 50,446.58 : x
  2. Step 2: Convert to fraction form
    139,193.24/208,789.80 = 50,446.58/x
  3. Step 3: Cross multiply
    139,193.24x = 208,789.80 × 50,446.58
  4. Step 4: Simplify right side
    139,193.24x = 10,532,731,348.88
  5. Step 5: Solve for x
    x = 10,532,731,348.88/139,193.24
  6. Step 6: Final answer
    x = 75,669.85

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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.