Home / 82,137.11-123,186.83-22,976.96

Finding the Fourth Proportional to 82,137.11, 123,186.83 and 22,976.96

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Solution

The fourth proportional to 82,137.11, 123,186.83 and 22,976.96 is: 34,460.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,137.11 : 123,186.83 = 22,976.96 : x
  2. Step 2: Convert to fraction form
    82,137.11/123,186.83 = 22,976.96/x
  3. Step 3: Cross multiply
    82,137.11x = 123,186.83 × 22,976.96
  4. Step 4: Simplify right side
    82,137.11x = 2,830,458,134.62
  5. Step 5: Solve for x
    x = 2,830,458,134.62/82,137.11
  6. Step 6: Final answer
    x = 34,460.16

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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.