Home / 234,134.64-323,105.78-126,704.67

Finding the Fourth Proportional to 234,134.64, 323,105.78 and 126,704.67

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Solution

The fourth proportional to 234,134.64, 323,105.78 and 126,704.67 is: 174,852.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,134.64 : 323,105.78 = 126,704.67 : x
  2. Step 2: Convert to fraction form
    234,134.64/323,105.78 = 126,704.67/x
  3. Step 3: Cross multiply
    234,134.64x = 323,105.78 × 126,704.67
  4. Step 4: Simplify right side
    234,134.64x = 40,939,010,596.47
  5. Step 5: Solve for x
    x = 40,939,010,596.47/234,134.64
  6. Step 6: Final answer
    x = 174,852.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.