Home / 83,890.68-125,730.66-50,181.57

Finding the Fourth Proportional to 83,890.68, 125,730.66 and 50,181.57

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Solution

The fourth proportional to 83,890.68, 125,730.66 and 50,181.57 is: 75,209.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,890.68 : 125,730.66 = 50,181.57 : x
  2. Step 2: Convert to fraction form
    83,890.68/125,730.66 = 50,181.57/x
  3. Step 3: Cross multiply
    83,890.68x = 125,730.66 × 50,181.57
  4. Step 4: Simplify right side
    83,890.68x = 6,309,361,915.94
  5. Step 5: Solve for x
    x = 6,309,361,915.94/83,890.68
  6. Step 6: Final answer
    x = 75,209.33

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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.