Home / 219,299.46-302,627.25-123,815.04

Finding the Fourth Proportional to 219,299.46, 302,627.25 and 123,815.04

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Solution

The fourth proportional to 219,299.46, 302,627.25 and 123,815.04 is: 170,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,299.46 : 302,627.25 = 123,815.04 : x
  2. Step 2: Convert to fraction form
    219,299.46/302,627.25 = 123,815.04/x
  3. Step 3: Cross multiply
    219,299.46x = 302,627.25 × 123,815.04
  4. Step 4: Simplify right side
    219,299.46x = 37,469,805,063.84
  5. Step 5: Solve for x
    x = 37,469,805,063.84/219,299.46
  6. Step 6: Final answer
    x = 170,861.36

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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.