Home / 203,705.36-281,126.81-117,667.97

Finding the Fourth Proportional to 203,705.36, 281,126.81 and 117,667.97

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Solution

The fourth proportional to 203,705.36, 281,126.81 and 117,667.97 is: 162,389.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,705.36 : 281,126.81 = 117,667.97 : x
  2. Step 2: Convert to fraction form
    203,705.36/281,126.81 = 117,667.97/x
  3. Step 3: Cross multiply
    203,705.36x = 281,126.81 × 117,667.97
  4. Step 4: Simplify right side
    203,705.36x = 33,079,620,362.84
  5. Step 5: Solve for x
    x = 33,079,620,362.84/203,705.36
  6. Step 6: Final answer
    x = 162,389.54

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1.5x scale

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.