Home / 201,723.35-278,369.24-115,620.60

Finding the Fourth Proportional to 201,723.35, 278,369.24 and 115,620.60

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Solution

The fourth proportional to 201,723.35, 278,369.24 and 115,620.60 is: 159,551.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,723.35 : 278,369.24 = 115,620.60 : x
  2. Step 2: Convert to fraction form
    201,723.35/278,369.24 = 115,620.60/x
  3. Step 3: Cross multiply
    201,723.35x = 278,369.24 × 115,620.60
  4. Step 4: Simplify right side
    201,723.35x = 32,185,219,016.13
  5. Step 5: Solve for x
    x = 32,185,219,016.13/201,723.35
  6. Step 6: Final answer
    x = 159,551.29

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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.