Home / 124,968.25-172,456.19-68,379.63

Finding the Fourth Proportional to 124,968.25, 172,456.19 and 68,379.63

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Solution

The fourth proportional to 124,968.25, 172,456.19 and 68,379.63 is: 94,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,968.25 : 172,456.19 = 68,379.63 : x
  2. Step 2: Convert to fraction form
    124,968.25/172,456.19 = 68,379.63/x
  3. Step 3: Cross multiply
    124,968.25x = 172,456.19 × 68,379.63
  4. Step 4: Simplify right side
    124,968.25x = 11,792,490,463.41
  5. Step 5: Solve for x
    x = 11,792,490,463.41/124,968.25
  6. Step 6: Final answer
    x = 94,363.89

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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.