Home / 209,174.37-313,758.83-51,404.21

Finding the Fourth Proportional to 209,174.37, 313,758.83 and 51,404.21

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Solution

The fourth proportional to 209,174.37, 313,758.83 and 51,404.21 is: 77,105.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,174.37 : 313,758.83 = 51,404.21 : x
  2. Step 2: Convert to fraction form
    209,174.37/313,758.83 = 51,404.21/x
  3. Step 3: Cross multiply
    209,174.37x = 313,758.83 × 51,404.21
  4. Step 4: Simplify right side
    209,174.37x = 16,128,523,089.37
  5. Step 5: Solve for x
    x = 16,128,523,089.37/209,174.37
  6. Step 6: Final answer
    x = 77,105.64

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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.