Home / 215,650.14-323,619.18-75,408.76

Finding the Fourth Proportional to 215,650.14, 323,619.18 and 75,408.76

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Solution

The fourth proportional to 215,650.14, 323,619.18 and 75,408.76 is: 113,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,650.14 : 323,619.18 = 75,408.76 : x
  2. Step 2: Convert to fraction form
    215,650.14/323,619.18 = 75,408.76/x
  3. Step 3: Cross multiply
    215,650.14x = 323,619.18 × 75,408.76
  4. Step 4: Simplify right side
    215,650.14x = 24,403,721,076.02
  5. Step 5: Solve for x
    x = 24,403,721,076.02/215,650.14
  6. Step 6: Final answer
    x = 113,163.48

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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.