Home / 203,032.62-280,185.55-112,394.84

Finding the Fourth Proportional to 203,032.62, 280,185.55 and 112,394.84

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Solution

The fourth proportional to 203,032.62, 280,185.55 and 112,394.84 is: 155,105.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,032.62 : 280,185.55 = 112,394.84 : x
  2. Step 2: Convert to fraction form
    203,032.62/280,185.55 = 112,394.84/x
  3. Step 3: Cross multiply
    203,032.62x = 280,185.55 × 112,394.84
  4. Step 4: Simplify right side
    203,032.62x = 31,491,408,380.65
  5. Step 5: Solve for x
    x = 31,491,408,380.65/203,032.62
  6. Step 6: Final answer
    x = 155,105.17

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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.