Home / 122,026.25-168,399.72-68,310.96

Finding the Fourth Proportional to 122,026.25, 168,399.72 and 68,310.96

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Solution

The fourth proportional to 122,026.25, 168,399.72 and 68,310.96 is: 94,271.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,026.25 : 168,399.72 = 68,310.96 : x
  2. Step 2: Convert to fraction form
    122,026.25/168,399.72 = 68,310.96/x
  3. Step 3: Cross multiply
    122,026.25x = 168,399.72 × 68,310.96
  4. Step 4: Simplify right side
    122,026.25x = 11,503,546,536.93
  5. Step 5: Solve for x
    x = 11,503,546,536.93/122,026.25
  6. Step 6: Final answer
    x = 94,271.09

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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.