Home / 151,474.92-209,036.22-87,850.44

Finding the Fourth Proportional to 151,474.92, 209,036.22 and 87,850.44

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Solution

The fourth proportional to 151,474.92, 209,036.22 and 87,850.44 is: 121,234.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,474.92 : 209,036.22 = 87,850.44 : x
  2. Step 2: Convert to fraction form
    151,474.92/209,036.22 = 87,850.44/x
  3. Step 3: Cross multiply
    151,474.92x = 209,036.22 × 87,850.44
  4. Step 4: Simplify right side
    151,474.92x = 18,363,923,902.94
  5. Step 5: Solve for x
    x = 18,363,923,902.94/151,474.92
  6. Step 6: Final answer
    x = 121,234.09

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1.5x scale

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.