Home / 120,902.22-166,860.41-73,155.96

Finding the Fourth Proportional to 120,902.22, 166,860.41 and 73,155.96

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Solution

The fourth proportional to 120,902.22, 166,860.41 and 73,155.96 is: 100,964.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,902.22 : 166,860.41 = 73,155.96 : x
  2. Step 2: Convert to fraction form
    120,902.22/166,860.41 = 73,155.96/x
  3. Step 3: Cross multiply
    120,902.22x = 166,860.41 × 73,155.96
  4. Step 4: Simplify right side
    120,902.22x = 12,206,833,113.76
  5. Step 5: Solve for x
    x = 12,206,833,113.76/120,902.22
  6. Step 6: Final answer
    x = 100,964.51

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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.