Home / 203,496.24-280,814.94-112,855.80

Finding the Fourth Proportional to 203,496.24, 280,814.94 and 112,855.80

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Solution

The fourth proportional to 203,496.24, 280,814.94 and 112,855.80 is: 155,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,496.24 : 280,814.94 = 112,855.80 : x
  2. Step 2: Convert to fraction form
    203,496.24/280,814.94 = 112,855.80/x
  3. Step 3: Cross multiply
    203,496.24x = 280,814.94 × 112,855.80
  4. Step 4: Simplify right side
    203,496.24x = 31,691,594,705.65
  5. Step 5: Solve for x
    x = 31,691,594,705.65/203,496.24
  6. Step 6: Final answer
    x = 155,735.53

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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.