Home / 213,979.82-295,435.60-133,439.90

Finding the Fourth Proportional to 213,979.82, 295,435.60 and 133,439.90

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Solution

The fourth proportional to 213,979.82, 295,435.60 and 133,439.90 is: 184,236.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,979.82 : 295,435.60 = 133,439.90 : x
  2. Step 2: Convert to fraction form
    213,979.82/295,435.60 = 133,439.90/x
  3. Step 3: Cross multiply
    213,979.82x = 295,435.60 × 133,439.90
  4. Step 4: Simplify right side
    213,979.82x = 39,422,896,920.44
  5. Step 5: Solve for x
    x = 39,422,896,920.44/213,979.82
  6. Step 6: Final answer
    x = 184,236.52

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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.