Home / 82,201.62-123,309.54-28,889.04

Finding the Fourth Proportional to 82,201.62, 123,309.54 and 28,889.04

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Solution

The fourth proportional to 82,201.62, 123,309.54 and 28,889.04 is: 43,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,201.62 : 123,309.54 = 28,889.04 : x
  2. Step 2: Convert to fraction form
    82,201.62/123,309.54 = 28,889.04/x
  3. Step 3: Cross multiply
    82,201.62x = 123,309.54 × 28,889.04
  4. Step 4: Simplify right side
    82,201.62x = 3,562,294,233.44
  5. Step 5: Solve for x
    x = 3,562,294,233.44/82,201.62
  6. Step 6: Final answer
    x = 43,336.06

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1.5x scale

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.