Home / 156,093.43-215,418.66-88,121.92

Finding the Fourth Proportional to 156,093.43, 215,418.66 and 88,121.92

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Solution

The fourth proportional to 156,093.43, 215,418.66 and 88,121.92 is: 121,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,093.43 : 215,418.66 = 88,121.92 : x
  2. Step 2: Convert to fraction form
    156,093.43/215,418.66 = 88,121.92/x
  3. Step 3: Cross multiply
    156,093.43x = 215,418.66 × 88,121.92
  4. Step 4: Simplify right side
    156,093.43x = 18,983,104,405.32
  5. Step 5: Solve for x
    x = 18,983,104,405.32/156,093.43
  6. Step 6: Final answer
    x = 121,613.73

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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.