Home / 179,511.42-268,971.84-142,310.55

Finding the Fourth Proportional to 179,511.42, 268,971.84 and 142,310.55

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Solution

The fourth proportional to 179,511.42, 268,971.84 and 142,310.55 is: 213,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,511.42 : 268,971.84 = 142,310.55 : x
  2. Step 2: Convert to fraction form
    179,511.42/268,971.84 = 142,310.55/x
  3. Step 3: Cross multiply
    179,511.42x = 268,971.84 × 142,310.55
  4. Step 4: Simplify right side
    179,511.42x = 38,277,530,484.91
  5. Step 5: Solve for x
    x = 38,277,530,484.91/179,511.42
  6. Step 6: Final answer
    x = 213,231.73

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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.