Home / 120,517.44-166,322.07-66,804.72

Finding the Fourth Proportional to 120,517.44, 166,322.07 and 66,804.72

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Solution

The fourth proportional to 120,517.44, 166,322.07 and 66,804.72 is: 92,194.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,517.44 : 166,322.07 = 66,804.72 : x
  2. Step 2: Convert to fraction form
    120,517.44/166,322.07 = 66,804.72/x
  3. Step 3: Cross multiply
    120,517.44x = 166,322.07 × 66,804.72
  4. Step 4: Simplify right side
    120,517.44x = 11,111,099,316.17
  5. Step 5: Solve for x
    x = 11,111,099,316.17/120,517.44
  6. Step 6: Final answer
    x = 92,194.95

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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.