Home / 200,728.11-277,004.37-115,845.18

Finding the Fourth Proportional to 200,728.11, 277,004.37 and 115,845.18

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Solution

The fourth proportional to 200,728.11, 277,004.37 and 115,845.18 is: 159,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,728.11 : 277,004.37 = 115,845.18 : x
  2. Step 2: Convert to fraction form
    200,728.11/277,004.37 = 115,845.18/x
  3. Step 3: Cross multiply
    200,728.11x = 277,004.37 × 115,845.18
  4. Step 4: Simplify right side
    200,728.11x = 32,089,621,103.44
  5. Step 5: Solve for x
    x = 32,089,621,103.44/200,728.11
  6. Step 6: Final answer
    x = 159,866.10

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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.