Home / 213,814.68-320,627.20-113,956.24

Finding the Fourth Proportional to 213,814.68, 320,627.20 and 113,956.24

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Solution

The fourth proportional to 213,814.68, 320,627.20 and 113,956.24 is: 170,883.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,814.68 : 320,627.20 = 113,956.24 : x
  2. Step 2: Convert to fraction form
    213,814.68/320,627.20 = 113,956.24/x
  3. Step 3: Cross multiply
    213,814.68x = 320,627.20 × 113,956.24
  4. Step 4: Simplify right side
    213,814.68x = 36,537,470,153.73
  5. Step 5: Solve for x
    x = 36,537,470,153.73/213,814.68
  6. Step 6: Final answer
    x = 170,883.82

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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.