Home / 90,290.03-135,408.92-27,107.60

Finding the Fourth Proportional to 90,290.03, 135,408.92 and 27,107.60

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Solution

The fourth proportional to 90,290.03, 135,408.92 and 27,107.60 is: 40,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,290.03 : 135,408.92 = 27,107.60 : x
  2. Step 2: Convert to fraction form
    90,290.03/135,408.92 = 27,107.60/x
  3. Step 3: Cross multiply
    90,290.03x = 135,408.92 × 27,107.60
  4. Step 4: Simplify right side
    90,290.03x = 3,670,610,027.21
  5. Step 5: Solve for x
    x = 3,670,610,027.21/90,290.03
  6. Step 6: Final answer
    x = 40,653.55

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1.5x scale

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.