Home / 124,764.73-172,175.78-68,176.11

Finding the Fourth Proportional to 124,764.73, 172,175.78 and 68,176.11

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Solution

The fourth proportional to 124,764.73, 172,175.78 and 68,176.11 is: 94,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,764.73 : 172,175.78 = 68,176.11 : x
  2. Step 2: Convert to fraction form
    124,764.73/172,175.78 = 68,176.11/x
  3. Step 3: Cross multiply
    124,764.73x = 172,175.78 × 68,176.11
  4. Step 4: Simplify right side
    124,764.73x = 11,738,274,916.62
  5. Step 5: Solve for x
    x = 11,738,274,916.62/124,764.73
  6. Step 6: Final answer
    x = 94,083.28

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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.