Home / 215,868.76-323,607.12-75,550.84

Finding the Fourth Proportional to 215,868.76, 323,607.12 and 75,550.84

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Solution

The fourth proportional to 215,868.76, 323,607.12 and 75,550.84 is: 113,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,868.76 : 323,607.12 = 75,550.84 : x
  2. Step 2: Convert to fraction form
    215,868.76/323,607.12 = 75,550.84/x
  3. Step 3: Cross multiply
    215,868.76x = 323,607.12 × 75,550.84
  4. Step 4: Simplify right side
    215,868.76x = 24,448,789,745.98
  5. Step 5: Solve for x
    x = 24,448,789,745.98/215,868.76
  6. Step 6: Final answer
    x = 113,257.66

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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.