Home / 201,297.12-277,790.59-115,257.43

Finding the Fourth Proportional to 201,297.12, 277,790.59 and 115,257.43

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Solution

The fourth proportional to 201,297.12, 277,790.59 and 115,257.43 is: 159,055.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,297.12 : 277,790.59 = 115,257.43 : x
  2. Step 2: Convert to fraction form
    201,297.12/277,790.59 = 115,257.43/x
  3. Step 3: Cross multiply
    201,297.12x = 277,790.59 × 115,257.43
  4. Step 4: Simplify right side
    201,297.12x = 32,017,429,481.58
  5. Step 5: Solve for x
    x = 32,017,429,481.58/201,297.12
  6. Step 6: Final answer
    x = 159,055.58

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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.