Home / 157,418.48-236,197.51-82,520.75

Finding the Fourth Proportional to 157,418.48, 236,197.51 and 82,520.75

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Solution

The fourth proportional to 157,418.48, 236,197.51 and 82,520.75 is: 123,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,418.48 : 236,197.51 = 82,520.75 : x
  2. Step 2: Convert to fraction form
    157,418.48/236,197.51 = 82,520.75/x
  3. Step 3: Cross multiply
    157,418.48x = 236,197.51 × 82,520.75
  4. Step 4: Simplify right side
    157,418.48x = 19,491,195,673.33
  5. Step 5: Solve for x
    x = 19,491,195,673.33/157,418.48
  6. Step 6: Final answer
    x = 123,817.71

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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.