Home / 219,979.12-303,571.40-119,377.12

Finding the Fourth Proportional to 219,979.12, 303,571.40 and 119,377.12

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Solution

The fourth proportional to 219,979.12, 303,571.40 and 119,377.12 is: 164,740.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,979.12 : 303,571.40 = 119,377.12 : x
  2. Step 2: Convert to fraction form
    219,979.12/303,571.40 = 119,377.12/x
  3. Step 3: Cross multiply
    219,979.12x = 303,571.40 × 119,377.12
  4. Step 4: Simplify right side
    219,979.12x = 36,239,479,446.37
  5. Step 5: Solve for x
    x = 36,239,479,446.37/219,979.12
  6. Step 6: Final answer
    x = 164,740.54

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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.