Home / 120,079.29-180,122.58-41,192.38

Finding the Fourth Proportional to 120,079.29, 180,122.58 and 41,192.38

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Solution

The fourth proportional to 120,079.29, 180,122.58 and 41,192.38 is: 61,789.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,079.29 : 180,122.58 = 41,192.38 : x
  2. Step 2: Convert to fraction form
    120,079.29/180,122.58 = 41,192.38/x
  3. Step 3: Cross multiply
    120,079.29x = 180,122.58 × 41,192.38
  4. Step 4: Simplify right side
    120,079.29x = 7,419,676,655.37
  5. Step 5: Solve for x
    x = 7,419,676,655.37/120,079.29
  6. Step 6: Final answer
    x = 61,789.81

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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.