Home / 222,491.07-307,037.97-120,517.65

Finding the Fourth Proportional to 222,491.07, 307,037.97 and 120,517.65

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Solution

The fourth proportional to 222,491.07, 307,037.97 and 120,517.65 is: 166,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,491.07 : 307,037.97 = 120,517.65 : x
  2. Step 2: Convert to fraction form
    222,491.07/307,037.97 = 120,517.65/x
  3. Step 3: Cross multiply
    222,491.07x = 307,037.97 × 120,517.65
  4. Step 4: Simplify right side
    222,491.07x = 37,003,494,605.17
  5. Step 5: Solve for x
    x = 37,003,494,605.17/222,491.07
  6. Step 6: Final answer
    x = 166,314.52

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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.