Home / 120,309.37-166,046.27-68,643.33

Finding the Fourth Proportional to 120,309.37, 166,046.27 and 68,643.33

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Solution

The fourth proportional to 120,309.37, 166,046.27 and 68,643.33 is: 94,738.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,309.37 : 166,046.27 = 68,643.33 : x
  2. Step 2: Convert to fraction form
    120,309.37/166,046.27 = 68,643.33/x
  3. Step 3: Cross multiply
    120,309.37x = 166,046.27 × 68,643.33
  4. Step 4: Simplify right side
    120,309.37x = 11,397,969,261.12
  5. Step 5: Solve for x
    x = 11,397,969,261.12/120,309.37
  6. Step 6: Final answer
    x = 94,738.83

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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.