Home / 120,927.80-181,418.94-40,961.26

Finding the Fourth Proportional to 120,927.80, 181,418.94 and 40,961.26

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Solution

The fourth proportional to 120,927.80, 181,418.94 and 40,961.26 is: 61,451.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,927.80 : 181,418.94 = 40,961.26 : x
  2. Step 2: Convert to fraction form
    120,927.80/181,418.94 = 40,961.26/x
  3. Step 3: Cross multiply
    120,927.80x = 181,418.94 × 40,961.26
  4. Step 4: Simplify right side
    120,927.80x = 7,431,148,597.04
  5. Step 5: Solve for x
    x = 7,431,148,597.04/120,927.80
  6. Step 6: Final answer
    x = 61,451.12

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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.