Home / 122,066.28-168,446.25-68,342.22

Finding the Fourth Proportional to 122,066.28, 168,446.25 and 68,342.22

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Solution

The fourth proportional to 122,066.28, 168,446.25 and 68,342.22 is: 94,309.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,066.28 : 168,446.25 = 68,342.22 : x
  2. Step 2: Convert to fraction form
    122,066.28/168,446.25 = 68,342.22/x
  3. Step 3: Cross multiply
    122,066.28x = 168,446.25 × 68,342.22
  4. Step 4: Simplify right side
    122,066.28x = 11,511,990,675.68
  5. Step 5: Solve for x
    x = 11,511,990,675.68/122,066.28
  6. Step 6: Final answer
    x = 94,309.34

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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.