Home / 124,997.10-172,496.31-68,408.47

Finding the Fourth Proportional to 124,997.10, 172,496.31 and 68,408.47

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Solution

The fourth proportional to 124,997.10, 172,496.31 and 68,408.47 is: 94,403.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,997.10 : 172,496.31 = 68,408.47 : x
  2. Step 2: Convert to fraction form
    124,997.10/172,496.31 = 68,408.47/x
  3. Step 3: Cross multiply
    124,997.10x = 172,496.31 × 68,408.47
  4. Step 4: Simplify right side
    124,997.10x = 11,800,208,647.75
  5. Step 5: Solve for x
    x = 11,800,208,647.75/124,997.10
  6. Step 6: Final answer
    x = 94,403.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.