Home / 139,680.27-209,520.41-114,956.37

Finding the Fourth Proportional to 139,680.27, 209,520.41 and 114,956.37

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Solution

The fourth proportional to 139,680.27, 209,520.41 and 114,956.37 is: 172,434.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,680.27 : 209,520.41 = 114,956.37 : x
  2. Step 2: Convert to fraction form
    139,680.27/209,520.41 = 114,956.37/x
  3. Step 3: Cross multiply
    139,680.27x = 209,520.41 × 114,956.37
  4. Step 4: Simplify right side
    139,680.27x = 24,085,705,199.73
  5. Step 5: Solve for x
    x = 24,085,705,199.73/139,680.27
  6. Step 6: Final answer
    x = 172,434.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.