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Finding the Fourth Proportional to 133,277.96, 199,818.17 and 80,675.00

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Solution

The fourth proportional to 133,277.96, 199,818.17 and 80,675.00 is: 120,952.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,277.96 : 199,818.17 = 80,675.00 : x
  2. Step 2: Convert to fraction form
    133,277.96/199,818.17 = 80,675.00/x
  3. Step 3: Cross multiply
    133,277.96x = 199,818.17 × 80,675.00
  4. Step 4: Simplify right side
    133,277.96x = 16,120,329,462.28
  5. Step 5: Solve for x
    x = 16,120,329,462.28/133,277.96
  6. Step 6: Final answer
    x = 120,952.71

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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.