Home / 147,735.36-203,874.48-80,667.36

Finding the Fourth Proportional to 147,735.36, 203,874.48 and 80,667.36

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Solution

The fourth proportional to 147,735.36, 203,874.48 and 80,667.36 is: 111,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,735.36 : 203,874.48 = 80,667.36 : x
  2. Step 2: Convert to fraction form
    147,735.36/203,874.48 = 80,667.36/x
  3. Step 3: Cross multiply
    147,735.36x = 203,874.48 × 80,667.36
  4. Step 4: Simplify right side
    147,735.36x = 16,446,016,072.97
  5. Step 5: Solve for x
    x = 16,446,016,072.97/147,735.36
  6. Step 6: Final answer
    x = 111,320.78

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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.