Home / 121,314.30-181,976.85-41,351.10

Finding the Fourth Proportional to 121,314.30, 181,976.85 and 41,351.10

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Solution

The fourth proportional to 121,314.30, 181,976.85 and 41,351.10 is: 62,028.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,314.30 : 181,976.85 = 41,351.10 : x
  2. Step 2: Convert to fraction form
    121,314.30/181,976.85 = 41,351.10/x
  3. Step 3: Cross multiply
    121,314.30x = 181,976.85 × 41,351.10
  4. Step 4: Simplify right side
    121,314.30x = 7,524,942,922.04
  5. Step 5: Solve for x
    x = 7,524,942,922.04/121,314.30
  6. Step 6: Final answer
    x = 62,028.49

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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.