Home / 133,824.11-200,736.52-45,139.85

Finding the Fourth Proportional to 133,824.11, 200,736.52 and 45,139.85

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Solution

The fourth proportional to 133,824.11, 200,736.52 and 45,139.85 is: 67,709.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,824.11 : 200,736.52 = 45,139.85 : x
  2. Step 2: Convert to fraction form
    133,824.11/200,736.52 = 45,139.85/x
  3. Step 3: Cross multiply
    133,824.11x = 200,736.52 × 45,139.85
  4. Step 4: Simplify right side
    133,824.11x = 9,061,216,402.32
  5. Step 5: Solve for x
    x = 9,061,216,402.32/133,824.11
  6. Step 6: Final answer
    x = 67,709.89

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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.