Home / 220,074.21-303,709.63-124,578.85

Finding the Fourth Proportional to 220,074.21, 303,709.63 and 124,578.85

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Solution

The fourth proportional to 220,074.21, 303,709.63 and 124,578.85 is: 171,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,074.21 : 303,709.63 = 124,578.85 : x
  2. Step 2: Convert to fraction form
    220,074.21/303,709.63 = 124,578.85/x
  3. Step 3: Cross multiply
    220,074.21x = 303,709.63 × 124,578.85
  4. Step 4: Simplify right side
    220,074.21x = 37,835,796,439.33
  5. Step 5: Solve for x
    x = 37,835,796,439.33/220,074.21
  6. Step 6: Final answer
    x = 171,922.90

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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.