Home / 126,949.62-190,440.81-42,673.44

Finding the Fourth Proportional to 126,949.62, 190,440.81 and 42,673.44

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Solution

The fourth proportional to 126,949.62, 190,440.81 and 42,673.44 is: 64,015.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,949.62 : 190,440.81 = 42,673.44 : x
  2. Step 2: Convert to fraction form
    126,949.62/190,440.81 = 42,673.44/x
  3. Step 3: Cross multiply
    126,949.62x = 190,440.81 × 42,673.44
  4. Step 4: Simplify right side
    126,949.62x = 8,126,764,479.09
  5. Step 5: Solve for x
    x = 8,126,764,479.09/126,949.62
  6. Step 6: Final answer
    x = 64,015.67

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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.