Home / 124,792.78-172,211.48-68,204.56

Finding the Fourth Proportional to 124,792.78, 172,211.48 and 68,204.56

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Solution

The fourth proportional to 124,792.78, 172,211.48 and 68,204.56 is: 94,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,792.78 : 172,211.48 = 68,204.56 : x
  2. Step 2: Convert to fraction form
    124,792.78/172,211.48 = 68,204.56/x
  3. Step 3: Cross multiply
    124,792.78x = 172,211.48 × 68,204.56
  4. Step 4: Simplify right side
    124,792.78x = 11,745,608,220.35
  5. Step 5: Solve for x
    x = 11,745,608,220.35/124,792.78
  6. Step 6: Final answer
    x = 94,120.90

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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.