Home / 202,837.28-279,910.16-112,191

Finding the Fourth Proportional to 202,837.28, 279,910.16 and 112,191

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Solution

The fourth proportional to 202,837.28, 279,910.16 and 112,191 is: 154,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,837.28 : 279,910.16 = 112,191 : x
  2. Step 2: Convert to fraction form
    202,837.28/279,910.16 = 112,191/x
  3. Step 3: Cross multiply
    202,837.28x = 279,910.16 × 112,191
  4. Step 4: Simplify right side
    202,837.28x = 31,403,400,760.56
  5. Step 5: Solve for x
    x = 31,403,400,760.56/202,837.28
  6. Step 6: Final answer
    x = 154,820.66

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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.