Home / 120,992.13-181,525.11-61,869.33

Finding the Fourth Proportional to 120,992.13, 181,525.11 and 61,869.33

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Solution

The fourth proportional to 120,992.13, 181,525.11 and 61,869.33 is: 92,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,992.13 : 181,525.11 = 61,869.33 : x
  2. Step 2: Convert to fraction form
    120,992.13/181,525.11 = 61,869.33/x
  3. Step 3: Cross multiply
    120,992.13x = 181,525.11 × 61,869.33
  4. Step 4: Simplify right side
    120,992.13x = 11,230,836,933.88
  5. Step 5: Solve for x
    x = 11,230,836,933.88/120,992.13
  6. Step 6: Final answer
    x = 92,822.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.