Home / 188,905.91-260,689.74-102,863.55

Finding the Fourth Proportional to 188,905.91, 260,689.74 and 102,863.55

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Solution

The fourth proportional to 188,905.91, 260,689.74 and 102,863.55 is: 141,951.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,905.91 : 260,689.74 = 102,863.55 : x
  2. Step 2: Convert to fraction form
    188,905.91/260,689.74 = 102,863.55/x
  3. Step 3: Cross multiply
    188,905.91x = 260,689.74 × 102,863.55
  4. Step 4: Simplify right side
    188,905.91x = 26,815,472,104.98
  5. Step 5: Solve for x
    x = 26,815,472,104.98/188,905.91
  6. Step 6: Final answer
    x = 141,951.48

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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.