Home / 122,255.22-168,712.08-68,540.25

Finding the Fourth Proportional to 122,255.22, 168,712.08 and 68,540.25

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Solution

The fourth proportional to 122,255.22, 168,712.08 and 68,540.25 is: 94,585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,255.22 : 168,712.08 = 68,540.25 : x
  2. Step 2: Convert to fraction form
    122,255.22/168,712.08 = 68,540.25/x
  3. Step 3: Cross multiply
    122,255.22x = 168,712.08 × 68,540.25
  4. Step 4: Simplify right side
    122,255.22x = 11,563,568,141.22
  5. Step 5: Solve for x
    x = 11,563,568,141.22/122,255.22
  6. Step 6: Final answer
    x = 94,585.48

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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.