Home / 202,688.43-279,708.19-112,046.69

Finding the Fourth Proportional to 202,688.43, 279,708.19 and 112,046.69

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Solution

The fourth proportional to 202,688.43, 279,708.19 and 112,046.69 is: 154,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,688.43 : 279,708.19 = 112,046.69 : x
  2. Step 2: Convert to fraction form
    202,688.43/279,708.19 = 112,046.69/x
  3. Step 3: Cross multiply
    202,688.43x = 279,708.19 × 112,046.69
  4. Step 4: Simplify right side
    202,688.43x = 31,340,377,274.54
  5. Step 5: Solve for x
    x = 31,340,377,274.54/202,688.43
  6. Step 6: Final answer
    x = 154,623.42

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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.