Home / 131,621.88-197,378.48-50,556.68

Finding the Fourth Proportional to 131,621.88, 197,378.48 and 50,556.68

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Solution

The fourth proportional to 131,621.88, 197,378.48 and 50,556.68 is: 75,814.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,621.88 : 197,378.48 = 50,556.68 : x
  2. Step 2: Convert to fraction form
    131,621.88/197,378.48 = 50,556.68/x
  3. Step 3: Cross multiply
    131,621.88x = 197,378.48 × 50,556.68
  4. Step 4: Simplify right side
    131,621.88x = 9,978,800,652.25
  5. Step 5: Solve for x
    x = 9,978,800,652.25/131,621.88
  6. Step 6: Final answer
    x = 75,814.15

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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.