Home / 135,297.69-203,016.58-98,164.25

Finding the Fourth Proportional to 135,297.69, 203,016.58 and 98,164.25

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Solution

The fourth proportional to 135,297.69, 203,016.58 and 98,164.25 is: 147,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,297.69 : 203,016.58 = 98,164.25 : x
  2. Step 2: Convert to fraction form
    135,297.69/203,016.58 = 98,164.25/x
  3. Step 3: Cross multiply
    135,297.69x = 203,016.58 × 98,164.25
  4. Step 4: Simplify right side
    135,297.69x = 19,928,970,956.05
  5. Step 5: Solve for x
    x = 19,928,970,956.05/135,297.69
  6. Step 6: Final answer
    x = 147,297.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.