Home / 213,893.25-295,172.68-118,399.94

Finding the Fourth Proportional to 213,893.25, 295,172.68 and 118,399.94

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Solution

The fourth proportional to 213,893.25, 295,172.68 and 118,399.94 is: 163,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,893.25 : 295,172.68 = 118,399.94 : x
  2. Step 2: Convert to fraction form
    213,893.25/295,172.68 = 118,399.94/x
  3. Step 3: Cross multiply
    213,893.25x = 295,172.68 × 118,399.94
  4. Step 4: Simplify right side
    213,893.25x = 34,948,427,601.64
  5. Step 5: Solve for x
    x = 34,948,427,601.64/213,893.25
  6. Step 6: Final answer
    x = 163,391.91

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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.