Home / 203,467.97-280,789.16-112,827.76

Finding the Fourth Proportional to 203,467.97, 280,789.16 and 112,827.76

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Solution

The fourth proportional to 203,467.97, 280,789.16 and 112,827.76 is: 155,704.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,467.97 : 280,789.16 = 112,827.76 : x
  2. Step 2: Convert to fraction form
    203,467.97/280,789.16 = 112,827.76/x
  3. Step 3: Cross multiply
    203,467.97x = 280,789.16 × 112,827.76
  4. Step 4: Simplify right side
    203,467.97x = 31,680,811,955.08
  5. Step 5: Solve for x
    x = 31,680,811,955.08/203,467.97
  6. Step 6: Final answer
    x = 155,704.17

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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.