Home / 161,933.79-242,575.39-80,635.89

Finding the Fourth Proportional to 161,933.79, 242,575.39 and 80,635.89

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Solution

The fourth proportional to 161,933.79, 242,575.39 and 80,635.89 is: 120,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,933.79 : 242,575.39 = 80,635.89 : x
  2. Step 2: Convert to fraction form
    161,933.79/242,575.39 = 80,635.89/x
  3. Step 3: Cross multiply
    161,933.79x = 242,575.39 × 80,635.89
  4. Step 4: Simplify right side
    161,933.79x = 19,560,282,464.75
  5. Step 5: Solve for x
    x = 19,560,282,464.75/161,933.79
  6. Step 6: Final answer
    x = 120,791.85

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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.