Home / 133,211.24-199,892.40-48,960.44

Finding the Fourth Proportional to 133,211.24, 199,892.40 and 48,960.44

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Solution

The fourth proportional to 133,211.24, 199,892.40 and 48,960.44 is: 73,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,211.24 : 199,892.40 = 48,960.44 : x
  2. Step 2: Convert to fraction form
    133,211.24/199,892.40 = 48,960.44/x
  3. Step 3: Cross multiply
    133,211.24x = 199,892.40 × 48,960.44
  4. Step 4: Simplify right side
    133,211.24x = 9,786,819,856.66
  5. Step 5: Solve for x
    x = 9,786,819,856.66/133,211.24
  6. Step 6: Final answer
    x = 73,468.42

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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.