Home / 80,202.07-120,235.45-50,554.56

Finding the Fourth Proportional to 80,202.07, 120,235.45 and 50,554.56

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Solution

The fourth proportional to 80,202.07, 120,235.45 and 50,554.56 is: 75,789.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,202.07 : 120,235.45 = 50,554.56 : x
  2. Step 2: Convert to fraction form
    80,202.07/120,235.45 = 50,554.56/x
  3. Step 3: Cross multiply
    80,202.07x = 120,235.45 × 50,554.56
  4. Step 4: Simplify right side
    80,202.07x = 6,078,449,747.04
  5. Step 5: Solve for x
    x = 6,078,449,747.04/80,202.07
  6. Step 6: Final answer
    x = 75,789.18

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1.5x scale

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.