Home / 120,455.52-166,229.94-66,741.39

Finding the Fourth Proportional to 120,455.52, 166,229.94 and 66,741.39

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Solution

The fourth proportional to 120,455.52, 166,229.94 and 66,741.39 is: 92,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,455.52 : 166,229.94 = 66,741.39 : x
  2. Step 2: Convert to fraction form
    120,455.52/166,229.94 = 66,741.39/x
  3. Step 3: Cross multiply
    120,455.52x = 166,229.94 × 66,741.39
  4. Step 4: Simplify right side
    120,455.52x = 11,094,417,255.22
  5. Step 5: Solve for x
    x = 11,094,417,255.22/120,455.52
  6. Step 6: Final answer
    x = 92,103.85

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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.