Home / 219,890.44-303,423.20-123,099.60

Finding the Fourth Proportional to 219,890.44, 303,423.20 and 123,099.60

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Solution

The fourth proportional to 219,890.44, 303,423.20 and 123,099.60 is: 169,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,890.44 : 303,423.20 = 123,099.60 : x
  2. Step 2: Convert to fraction form
    219,890.44/303,423.20 = 123,099.60/x
  3. Step 3: Cross multiply
    219,890.44x = 303,423.20 × 123,099.60
  4. Step 4: Simplify right side
    219,890.44x = 37,351,274,550.72
  5. Step 5: Solve for x
    x = 37,351,274,550.72/219,890.44
  6. Step 6: Final answer
    x = 169,863.11

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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.