Home / 161,178.20-241,766.04-42,857.90

Finding the Fourth Proportional to 161,178.20, 241,766.04 and 42,857.90

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Solution

The fourth proportional to 161,178.20, 241,766.04 and 42,857.90 is: 64,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,178.20 : 241,766.04 = 42,857.90 : x
  2. Step 2: Convert to fraction form
    161,178.20/241,766.04 = 42,857.90/x
  3. Step 3: Cross multiply
    161,178.20x = 241,766.04 × 42,857.90
  4. Step 4: Simplify right side
    161,178.20x = 10,361,584,765.72
  5. Step 5: Solve for x
    x = 10,361,584,765.72/161,178.20
  6. Step 6: Final answer
    x = 64,286.51

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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.