Home / 202,858.22-279,850.07-131,261.31

Finding the Fourth Proportional to 202,858.22, 279,850.07 and 131,261.31

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Solution

The fourth proportional to 202,858.22, 279,850.07 and 131,261.31 is: 181,079.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,858.22 : 279,850.07 = 131,261.31 : x
  2. Step 2: Convert to fraction form
    202,858.22/279,850.07 = 131,261.31/x
  3. Step 3: Cross multiply
    202,858.22x = 279,850.07 × 131,261.31
  4. Step 4: Simplify right side
    202,858.22x = 36,733,487,119.95
  5. Step 5: Solve for x
    x = 36,733,487,119.95/202,858.22
  6. Step 6: Final answer
    x = 181,079.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.