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Finding the Fourth Proportional to 133,926.78, 200,890.17 and 50,820.78

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Solution

The fourth proportional to 133,926.78, 200,890.17 and 50,820.78 is: 76,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,926.78 : 200,890.17 = 50,820.78 : x
  2. Step 2: Convert to fraction form
    133,926.78/200,890.17 = 50,820.78/x
  3. Step 3: Cross multiply
    133,926.78x = 200,890.17 × 50,820.78
  4. Step 4: Simplify right side
    133,926.78x = 10,209,395,133.73
  5. Step 5: Solve for x
    x = 10,209,395,133.73/133,926.78
  6. Step 6: Final answer
    x = 76,231.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.