Home / 203,163.44-280,366.28-112,517.36

Finding the Fourth Proportional to 203,163.44, 280,366.28 and 112,517.36

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Solution

The fourth proportional to 203,163.44, 280,366.28 and 112,517.36 is: 155,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,163.44 : 280,366.28 = 112,517.36 : x
  2. Step 2: Convert to fraction form
    203,163.44/280,366.28 = 112,517.36/x
  3. Step 3: Cross multiply
    203,163.44x = 280,366.28 × 112,517.36
  4. Step 4: Simplify right side
    203,163.44x = 31,546,073,658.62
  5. Step 5: Solve for x
    x = 31,546,073,658.62/203,163.44
  6. Step 6: Final answer
    x = 155,274.36

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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.