Home / 219,121.62-302,396.85-123,627.84

Finding the Fourth Proportional to 219,121.62, 302,396.85 and 123,627.84

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Solution

The fourth proportional to 219,121.62, 302,396.85 and 123,627.84 is: 170,611.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,121.62 : 302,396.85 = 123,627.84 : x
  2. Step 2: Convert to fraction form
    219,121.62/302,396.85 = 123,627.84/x
  3. Step 3: Cross multiply
    219,121.62x = 302,396.85 × 123,627.84
  4. Step 4: Simplify right side
    219,121.62x = 37,384,669,388.30
  5. Step 5: Solve for x
    x = 37,384,669,388.30/219,121.62
  6. Step 6: Final answer
    x = 170,611.51

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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.