Home / 133,093.50-199,541.84-80,491.29

Finding the Fourth Proportional to 133,093.50, 199,541.84 and 80,491.29

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Solution

The fourth proportional to 133,093.50, 199,541.84 and 80,491.29 is: 120,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,093.50 : 199,541.84 = 80,491.29 : x
  2. Step 2: Convert to fraction form
    133,093.50/199,541.84 = 80,491.29/x
  3. Step 3: Cross multiply
    133,093.50x = 199,541.84 × 80,491.29
  4. Step 4: Simplify right side
    133,093.50x = 16,061,379,708.12
  5. Step 5: Solve for x
    x = 16,061,379,708.12/133,093.50
  6. Step 6: Final answer
    x = 120,677.42

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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.