Home / 202,872.22-279,869.33-131,275.38

Finding the Fourth Proportional to 202,872.22, 279,869.33 and 131,275.38

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Solution

The fourth proportional to 202,872.22, 279,869.33 and 131,275.38 is: 181,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,872.22 : 279,869.33 = 131,275.38 : x
  2. Step 2: Convert to fraction form
    202,872.22/279,869.33 = 131,275.38/x
  3. Step 3: Cross multiply
    202,872.22x = 279,869.33 × 131,275.38
  4. Step 4: Simplify right side
    202,872.22x = 36,739,952,646.10
  5. Step 5: Solve for x
    x = 36,739,952,646.10/202,872.22
  6. Step 6: Final answer
    x = 181,098.98

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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.