Home / 122,945.31-169,659.96-68,496.20

Finding the Fourth Proportional to 122,945.31, 169,659.96 and 68,496.20

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Solution

The fourth proportional to 122,945.31, 169,659.96 and 68,496.20 is: 94,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,945.31 : 169,659.96 = 68,496.20 : x
  2. Step 2: Convert to fraction form
    122,945.31/169,659.96 = 68,496.20/x
  3. Step 3: Cross multiply
    122,945.31x = 169,659.96 × 68,496.20
  4. Step 4: Simplify right side
    122,945.31x = 11,621,062,552.15
  5. Step 5: Solve for x
    x = 11,621,062,552.15/122,945.31
  6. Step 6: Final answer
    x = 94,522.21

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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.