Home / 156,344.91-215,694.35-101,960.44

Finding the Fourth Proportional to 156,344.91, 215,694.35 and 101,960.44

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Solution

The fourth proportional to 156,344.91, 215,694.35 and 101,960.44 is: 140,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,344.91 : 215,694.35 = 101,960.44 : x
  2. Step 2: Convert to fraction form
    156,344.91/215,694.35 = 101,960.44/x
  3. Step 3: Cross multiply
    156,344.91x = 215,694.35 × 101,960.44
  4. Step 4: Simplify right side
    156,344.91x = 21,992,290,440.23
  5. Step 5: Solve for x
    x = 21,992,290,440.23/156,344.91
  6. Step 6: Final answer
    x = 140,665.21

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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.