Home / 209,032.08-313,333.38-82,620.96

Finding the Fourth Proportional to 209,032.08, 313,333.38 and 82,620.96

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Solution

The fourth proportional to 209,032.08, 313,333.38 and 82,620.96 is: 123,846.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,032.08 : 313,333.38 = 82,620.96 : x
  2. Step 2: Convert to fraction form
    209,032.08/313,333.38 = 82,620.96/x
  3. Step 3: Cross multiply
    209,032.08x = 313,333.38 × 82,620.96
  4. Step 4: Simplify right side
    209,032.08x = 25,887,904,655.64
  5. Step 5: Solve for x
    x = 25,887,904,655.64/209,032.08
  6. Step 6: Final answer
    x = 123,846.56

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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.