Home / 209,101.42-313,653.75-51,331.24

Finding the Fourth Proportional to 209,101.42, 313,653.75 and 51,331.24

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Solution

The fourth proportional to 209,101.42, 313,653.75 and 51,331.24 is: 76,997.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,101.42 : 313,653.75 = 51,331.24 : x
  2. Step 2: Convert to fraction form
    209,101.42/313,653.75 = 51,331.24/x
  3. Step 3: Cross multiply
    209,101.42x = 313,653.75 × 51,331.24
  4. Step 4: Simplify right side
    209,101.42x = 16,100,235,918.15
  5. Step 5: Solve for x
    x = 16,100,235,918.15/209,101.42
  6. Step 6: Final answer
    x = 76,997.26

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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.