Home / 209,301.53-314,149.58-76,310.33

Finding the Fourth Proportional to 209,301.53, 314,149.58 and 76,310.33

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Solution

The fourth proportional to 209,301.53, 314,149.58 and 76,310.33 is: 114,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,301.53 : 314,149.58 = 76,310.33 : x
  2. Step 2: Convert to fraction form
    209,301.53/314,149.58 = 76,310.33/x
  3. Step 3: Cross multiply
    209,301.53x = 314,149.58 × 76,310.33
  4. Step 4: Simplify right side
    209,301.53x = 23,972,857,737.61
  5. Step 5: Solve for x
    x = 23,972,857,737.61/209,301.53
  6. Step 6: Final answer
    x = 114,537.42

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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.