Home / 202,868.22-279,863.82-131,271.36

Finding the Fourth Proportional to 202,868.22, 279,863.82 and 131,271.36

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Solution

The fourth proportional to 202,868.22, 279,863.82 and 131,271.36 is: 181,093.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,868.22 : 279,863.82 = 131,271.36 : x
  2. Step 2: Convert to fraction form
    202,868.22/279,863.82 = 131,271.36/x
  3. Step 3: Cross multiply
    202,868.22x = 279,863.82 × 131,271.36
  4. Step 4: Simplify right side
    202,868.22x = 36,738,104,266.20
  5. Step 5: Solve for x
    x = 36,738,104,266.20/202,868.22
  6. Step 6: Final answer
    x = 181,093.44

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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.