Home / 122,534.89-169,101.92-68,821.04

Finding the Fourth Proportional to 122,534.89, 169,101.92 and 68,821.04

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Solution

The fourth proportional to 122,534.89, 169,101.92 and 68,821.04 is: 94,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,534.89 : 169,101.92 = 68,821.04 : x
  2. Step 2: Convert to fraction form
    122,534.89/169,101.92 = 68,821.04/x
  3. Step 3: Cross multiply
    122,534.89x = 169,101.92 × 68,821.04
  4. Step 4: Simplify right side
    122,534.89x = 11,637,770,000.40
  5. Step 5: Solve for x
    x = 11,637,770,000.40/122,534.89
  6. Step 6: Final answer
    x = 94,975.15

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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.