Home / 82,166.21-123,262.95-28,844.37

Finding the Fourth Proportional to 82,166.21, 123,262.95 and 28,844.37

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Solution

The fourth proportional to 82,166.21, 123,262.95 and 28,844.37 is: 43,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,166.21 : 123,262.95 = 28,844.37 : x
  2. Step 2: Convert to fraction form
    82,166.21/123,262.95 = 28,844.37/x
  3. Step 3: Cross multiply
    82,166.21x = 123,262.95 × 28,844.37
  4. Step 4: Simplify right side
    82,166.21x = 3,555,441,376.55
  5. Step 5: Solve for x
    x = 3,555,441,376.55/82,166.21
  6. Step 6: Final answer
    x = 43,271.33

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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.