Home / 209,318.05-313,753.47-96,867.37

Finding the Fourth Proportional to 209,318.05, 313,753.47 and 96,867.37

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Solution

The fourth proportional to 209,318.05, 313,753.47 and 96,867.37 is: 145,197.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,318.05 : 313,753.47 = 96,867.37 : x
  2. Step 2: Convert to fraction form
    209,318.05/313,753.47 = 96,867.37/x
  3. Step 3: Cross multiply
    209,318.05x = 313,753.47 × 96,867.37
  4. Step 4: Simplify right side
    209,318.05x = 30,392,473,467.27
  5. Step 5: Solve for x
    x = 30,392,473,467.27/209,318.05
  6. Step 6: Final answer
    x = 145,197.58

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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.