Home / 207,091.27-285,882.24-156,124.72

Finding the Fourth Proportional to 207,091.27, 285,882.24 and 156,124.72

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Solution

The fourth proportional to 207,091.27, 285,882.24 and 156,124.72 is: 215,524.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,091.27 : 285,882.24 = 156,124.72 : x
  2. Step 2: Convert to fraction form
    207,091.27/285,882.24 = 156,124.72/x
  3. Step 3: Cross multiply
    207,091.27x = 285,882.24 × 156,124.72
  4. Step 4: Simplify right side
    207,091.27x = 44,633,284,672.97
  5. Step 5: Solve for x
    x = 44,633,284,672.97/207,091.27
  6. Step 6: Final answer
    x = 215,524.70

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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.