Home / 219,299.09-302,626.73-123,814.67

Finding the Fourth Proportional to 219,299.09, 302,626.73 and 123,814.67

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Solution

The fourth proportional to 219,299.09, 302,626.73 and 123,814.67 is: 170,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,299.09 : 302,626.73 = 123,814.67 : x
  2. Step 2: Convert to fraction form
    219,299.09/302,626.73 = 123,814.67/x
  3. Step 3: Cross multiply
    219,299.09x = 302,626.73 × 123,814.67
  4. Step 4: Simplify right side
    219,299.09x = 37,469,627,504.53
  5. Step 5: Solve for x
    x = 37,469,627,504.53/219,299.09
  6. Step 6: Final answer
    x = 170,860.85

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1.5x scale

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.