Home / 122,716.64-169,346.74-68,268.56

Finding the Fourth Proportional to 122,716.64, 169,346.74 and 68,268.56

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Solution

The fourth proportional to 122,716.64, 169,346.74 and 68,268.56 is: 94,209.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,716.64 : 169,346.74 = 68,268.56 : x
  2. Step 2: Convert to fraction form
    122,716.64/169,346.74 = 68,268.56/x
  3. Step 3: Cross multiply
    122,716.64x = 169,346.74 × 68,268.56
  4. Step 4: Simplify right side
    122,716.64x = 11,561,058,080.49
  5. Step 5: Solve for x
    x = 11,561,058,080.49/122,716.64
  6. Step 6: Final answer
    x = 94,209.38

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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.