Home / 181,311.21-271,689.80-76,072.77

Finding the Fourth Proportional to 181,311.21, 271,689.80 and 76,072.77

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Solution

The fourth proportional to 181,311.21, 271,689.80 and 76,072.77 is: 113,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,311.21 : 271,689.80 = 76,072.77 : x
  2. Step 2: Convert to fraction form
    181,311.21/271,689.80 = 76,072.77/x
  3. Step 3: Cross multiply
    181,311.21x = 271,689.80 × 76,072.77
  4. Step 4: Simplify right side
    181,311.21x = 20,668,195,286.38
  5. Step 5: Solve for x
    x = 20,668,195,286.38/181,311.21
  6. Step 6: Final answer
    x = 113,992.93

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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.