Home / 120,572.67-166,382.19-66,855.72

Finding the Fourth Proportional to 120,572.67, 166,382.19 and 66,855.72

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Solution

The fourth proportional to 120,572.67, 166,382.19 and 66,855.72 is: 92,256.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,572.67 : 166,382.19 = 66,855.72 : x
  2. Step 2: Convert to fraction form
    120,572.67/166,382.19 = 66,855.72/x
  3. Step 3: Cross multiply
    120,572.67x = 166,382.19 × 66,855.72
  4. Step 4: Simplify right side
    120,572.67x = 11,123,601,107.63
  5. Step 5: Solve for x
    x = 11,123,601,107.63/120,572.67
  6. Step 6: Final answer
    x = 92,256.41

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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.