Home / 122,537.43-169,105.41-68,823.54

Finding the Fourth Proportional to 122,537.43, 169,105.41 and 68,823.54

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Solution

The fourth proportional to 122,537.43, 169,105.41 and 68,823.54 is: 94,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,537.43 : 169,105.41 = 68,823.54 : x
  2. Step 2: Convert to fraction form
    122,537.43/169,105.41 = 68,823.54/x
  3. Step 3: Cross multiply
    122,537.43x = 169,105.41 × 68,823.54
  4. Step 4: Simplify right side
    122,537.43x = 11,638,432,949.35
  5. Step 5: Solve for x
    x = 11,638,432,949.35/122,537.43
  6. Step 6: Final answer
    x = 94,978.60

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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.