Home / 219,828.87-303,396.44-139,263.87

Finding the Fourth Proportional to 219,828.87, 303,396.44 and 139,263.87

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Solution

The fourth proportional to 219,828.87, 303,396.44 and 139,263.87 is: 192,204.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,828.87 : 303,396.44 = 139,263.87 : x
  2. Step 2: Convert to fraction form
    219,828.87/303,396.44 = 139,263.87/x
  3. Step 3: Cross multiply
    219,828.87x = 303,396.44 × 139,263.87
  4. Step 4: Simplify right side
    219,828.87x = 42,252,162,820.04
  5. Step 5: Solve for x
    x = 42,252,162,820.04/219,828.87
  6. Step 6: Final answer
    x = 192,204.79

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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.