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Finding the Fourth Proportional to 133,011.53, 199,480.38 and 36,926.67

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Solution

The fourth proportional to 133,011.53, 199,480.38 and 36,926.67 is: 55,379.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,011.53 : 199,480.38 = 36,926.67 : x
  2. Step 2: Convert to fraction form
    133,011.53/199,480.38 = 36,926.67/x
  3. Step 3: Cross multiply
    133,011.53x = 199,480.38 × 36,926.67
  4. Step 4: Simplify right side
    133,011.53x = 7,366,146,163.73
  5. Step 5: Solve for x
    x = 7,366,146,163.73/133,011.53
  6. Step 6: Final answer
    x = 55,379.76

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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.