Home / 120,919.50-166,819.77-69,922.44

Finding the Fourth Proportional to 120,919.50, 166,819.77 and 69,922.44

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Solution

The fourth proportional to 120,919.50, 166,819.77 and 69,922.44 is: 96,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,919.50 : 166,819.77 = 69,922.44 : x
  2. Step 2: Convert to fraction form
    120,919.50/166,819.77 = 69,922.44/x
  3. Step 3: Cross multiply
    120,919.50x = 166,819.77 × 69,922.44
  4. Step 4: Simplify right side
    120,919.50x = 11,664,445,358.64
  5. Step 5: Solve for x
    x = 11,664,445,358.64/120,919.50
  6. Step 6: Final answer
    x = 96,464.55

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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.