Home / 89,228.83-123,135.44-55,230.54

Finding the Fourth Proportional to 89,228.83, 123,135.44 and 55,230.54

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Solution

The fourth proportional to 89,228.83, 123,135.44 and 55,230.54 is: 76,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,228.83 : 123,135.44 = 55,230.54 : x
  2. Step 2: Convert to fraction form
    89,228.83/123,135.44 = 55,230.54/x
  3. Step 3: Cross multiply
    89,228.83x = 123,135.44 × 55,230.54
  4. Step 4: Simplify right side
    89,228.83x = 6,800,836,844.34
  5. Step 5: Solve for x
    x = 6,800,836,844.34/89,228.83
  6. Step 6: Final answer
    x = 76,217.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.