Home / 140,684.83-210,961.57-50,715.70

Finding the Fourth Proportional to 140,684.83, 210,961.57 and 50,715.70

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Solution

The fourth proportional to 140,684.83, 210,961.57 and 50,715.70 is: 76,049.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,684.83 : 210,961.57 = 50,715.70 : x
  2. Step 2: Convert to fraction form
    140,684.83/210,961.57 = 50,715.70/x
  3. Step 3: Cross multiply
    140,684.83x = 210,961.57 × 50,715.70
  4. Step 4: Simplify right side
    140,684.83x = 10,699,062,514.05
  5. Step 5: Solve for x
    x = 10,699,062,514.05/140,684.83
  6. Step 6: Final answer
    x = 76,049.86

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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.