Home / 200,451.36-276,432-119,865.84

Finding the Fourth Proportional to 200,451.36, 276,432 and 119,865.84

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Solution

The fourth proportional to 200,451.36, 276,432 and 119,865.84 is: 165,300.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,451.36 : 276,432 = 119,865.84 : x
  2. Step 2: Convert to fraction form
    200,451.36/276,432 = 119,865.84/x
  3. Step 3: Cross multiply
    200,451.36x = 276,432 × 119,865.84
  4. Step 4: Simplify right side
    200,451.36x = 33,134,753,882.88
  5. Step 5: Solve for x
    x = 33,134,753,882.88/200,451.36
  6. Step 6: Final answer
    x = 165,300.72

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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.