Home / 120,845.54-166,766.96-67,135.56

Finding the Fourth Proportional to 120,845.54, 166,766.96 and 67,135.56

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Solution

The fourth proportional to 120,845.54, 166,766.96 and 67,135.56 is: 92,647.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,845.54 : 166,766.96 = 67,135.56 : x
  2. Step 2: Convert to fraction form
    120,845.54/166,766.96 = 67,135.56/x
  3. Step 3: Cross multiply
    120,845.54x = 166,766.96 × 67,135.56
  4. Step 4: Simplify right side
    120,845.54x = 11,195,992,415.26
  5. Step 5: Solve for x
    x = 11,195,992,415.26/120,845.54
  6. Step 6: Final answer
    x = 92,647.13

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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.