Home / 251,989.70-377,977.64-109,834.89

Finding the Fourth Proportional to 251,989.70, 377,977.64 and 109,834.89

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Solution

The fourth proportional to 251,989.70, 377,977.64 and 109,834.89 is: 164,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,989.70 : 377,977.64 = 109,834.89 : x
  2. Step 2: Convert to fraction form
    251,989.70/377,977.64 = 109,834.89/x
  3. Step 3: Cross multiply
    251,989.70x = 377,977.64 × 109,834.89
  4. Step 4: Simplify right side
    251,989.70x = 41,515,131,163.09
  5. Step 5: Solve for x
    x = 41,515,131,163.09/251,989.70
  6. Step 6: Final answer
    x = 164,749.32

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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.