Home / 120,563.26-166,371.13-66,847.75

Finding the Fourth Proportional to 120,563.26, 166,371.13 and 66,847.75

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Solution

The fourth proportional to 120,563.26, 166,371.13 and 66,847.75 is: 92,246.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,563.26 : 166,371.13 = 66,847.75 : x
  2. Step 2: Convert to fraction form
    120,563.26/166,371.13 = 66,847.75/x
  3. Step 3: Cross multiply
    120,563.26x = 166,371.13 × 66,847.75
  4. Step 4: Simplify right side
    120,563.26x = 11,121,535,705.46
  5. Step 5: Solve for x
    x = 11,121,535,705.46/120,563.26
  6. Step 6: Final answer
    x = 92,246.47

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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.