Home / 203,449.28-280,748.75-112,799.94

Finding the Fourth Proportional to 203,449.28, 280,748.75 and 112,799.94

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Solution

The fourth proportional to 203,449.28, 280,748.75 and 112,799.94 is: 155,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,449.28 : 280,748.75 = 112,799.94 : x
  2. Step 2: Convert to fraction form
    203,449.28/280,748.75 = 112,799.94/x
  3. Step 3: Cross multiply
    203,449.28x = 280,748.75 × 112,799.94
  4. Step 4: Simplify right side
    203,449.28x = 31,668,441,591.08
  5. Step 5: Solve for x
    x = 31,668,441,591.08/203,449.28
  6. Step 6: Final answer
    x = 155,657.68

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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.