Home / 120,079.07-180,122.25-41,192.16

Finding the Fourth Proportional to 120,079.07, 180,122.25 and 41,192.16

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Solution

The fourth proportional to 120,079.07, 180,122.25 and 41,192.16 is: 61,789.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,079.07 : 180,122.25 = 41,192.16 : x
  2. Step 2: Convert to fraction form
    120,079.07/180,122.25 = 41,192.16/x
  3. Step 3: Cross multiply
    120,079.07x = 180,122.25 × 41,192.16
  4. Step 4: Simplify right side
    120,079.07x = 7,419,623,788.87
  5. Step 5: Solve for x
    x = 7,419,623,788.87/120,079.07
  6. Step 6: Final answer
    x = 61,789.48

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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.