Home / 122,627.26-169,233.40-68,185.54

Finding the Fourth Proportional to 122,627.26, 169,233.40 and 68,185.54

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Solution

The fourth proportional to 122,627.26, 169,233.40 and 68,185.54 is: 94,100.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,627.26 : 169,233.40 = 68,185.54 : x
  2. Step 2: Convert to fraction form
    122,627.26/169,233.40 = 68,185.54/x
  3. Step 3: Cross multiply
    122,627.26x = 169,233.40 × 68,185.54
  4. Step 4: Simplify right side
    122,627.26x = 11,539,270,765.04
  5. Step 5: Solve for x
    x = 11,539,270,765.04/122,627.26
  6. Step 6: Final answer
    x = 94,100.37

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1.5x scale

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.