Home / 209,214.72-313,819.35-51,444.54

Finding the Fourth Proportional to 209,214.72, 313,819.35 and 51,444.54

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Solution

The fourth proportional to 209,214.72, 313,819.35 and 51,444.54 is: 77,166.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,214.72 : 313,819.35 = 51,444.54 : x
  2. Step 2: Convert to fraction form
    209,214.72/313,819.35 = 51,444.54/x
  3. Step 3: Cross multiply
    209,214.72x = 313,819.35 × 51,444.54
  4. Step 4: Simplify right side
    209,214.72x = 16,144,292,103.85
  5. Step 5: Solve for x
    x = 16,144,292,103.85/209,214.72
  6. Step 6: Final answer
    x = 77,166.14

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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.