Home / 202,974.38-280,105.16-112,336.58

Finding the Fourth Proportional to 202,974.38, 280,105.16 and 112,336.58

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Solution

The fourth proportional to 202,974.38, 280,105.16 and 112,336.58 is: 155,024.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,974.38 : 280,105.16 = 112,336.58 : x
  2. Step 2: Convert to fraction form
    202,974.38/280,105.16 = 112,336.58/x
  3. Step 3: Cross multiply
    202,974.38x = 280,105.16 × 112,336.58
  4. Step 4: Simplify right side
    202,974.38x = 31,466,055,714.75
  5. Step 5: Solve for x
    x = 31,466,055,714.75/202,974.38
  6. Step 6: Final answer
    x = 155,024.77

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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.