Home / 219,715.05-329,596.83-69,902.76

Finding the Fourth Proportional to 219,715.05, 329,596.83 and 69,902.76

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Solution

The fourth proportional to 219,715.05, 329,596.83 and 69,902.76 is: 104,861.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,715.05 : 329,596.83 = 69,902.76 : x
  2. Step 2: Convert to fraction form
    219,715.05/329,596.83 = 69,902.76/x
  3. Step 3: Cross multiply
    219,715.05x = 329,596.83 × 69,902.76
  4. Step 4: Simplify right side
    219,715.05x = 23,039,728,104.25
  5. Step 5: Solve for x
    x = 23,039,728,104.25/219,715.05
  6. Step 6: Final answer
    x = 104,861.86

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1.5x scale

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.