Home / 148,715.10-205,227-80,732.04

Finding the Fourth Proportional to 148,715.10, 205,227 and 80,732.04

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Solution

The fourth proportional to 148,715.10, 205,227 and 80,732.04 is: 111,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,715.10 : 205,227 = 80,732.04 : x
  2. Step 2: Convert to fraction form
    148,715.10/205,227 = 80,732.04/x
  3. Step 3: Cross multiply
    148,715.10x = 205,227 × 80,732.04
  4. Step 4: Simplify right side
    148,715.10x = 16,568,394,373.08
  5. Step 5: Solve for x
    x = 16,568,394,373.08/148,715.10
  6. Step 6: Final answer
    x = 111,410.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.