Home / 120,317.96-166,080.22-69,351.04

Finding the Fourth Proportional to 120,317.96, 166,080.22 and 69,351.04

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Solution

The fourth proportional to 120,317.96, 166,080.22 and 69,351.04 is: 95,728.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,317.96 : 166,080.22 = 69,351.04 : x
  2. Step 2: Convert to fraction form
    120,317.96/166,080.22 = 69,351.04/x
  3. Step 3: Cross multiply
    120,317.96x = 166,080.22 × 69,351.04
  4. Step 4: Simplify right side
    120,317.96x = 11,517,835,470.55
  5. Step 5: Solve for x
    x = 11,517,835,470.55/120,317.96
  6. Step 6: Final answer
    x = 95,728.32

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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.