Home / 120,876.75-181,272.22-35,463.77

Finding the Fourth Proportional to 120,876.75, 181,272.22 and 35,463.77

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Solution

The fourth proportional to 120,876.75, 181,272.22 and 35,463.77 is: 53,183.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,876.75 : 181,272.22 = 35,463.77 : x
  2. Step 2: Convert to fraction form
    120,876.75/181,272.22 = 35,463.77/x
  3. Step 3: Cross multiply
    120,876.75x = 181,272.22 × 35,463.77
  4. Step 4: Simplify right side
    120,876.75x = 6,428,596,317.47
  5. Step 5: Solve for x
    x = 6,428,596,317.47/120,876.75
  6. Step 6: Final answer
    x = 53,183.07

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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.