Home / 83,449.42-125,172.97-20,270

Finding the Fourth Proportional to 83,449.42, 125,172.97 and 20,270

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Solution

The fourth proportional to 83,449.42, 125,172.97 and 20,270 is: 30,404.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,449.42 : 125,172.97 = 20,270 : x
  2. Step 2: Convert to fraction form
    83,449.42/125,172.97 = 20,270/x
  3. Step 3: Cross multiply
    83,449.42x = 125,172.97 × 20,270
  4. Step 4: Simplify right side
    83,449.42x = 2,537,256,101.90
  5. Step 5: Solve for x
    x = 2,537,256,101.90/83,449.42
  6. Step 6: Final answer
    x = 30,404.72

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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.