Home / 141,816.48-195,529.32-90,745.44

Finding the Fourth Proportional to 141,816.48, 195,529.32 and 90,745.44

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Solution

The fourth proportional to 141,816.48, 195,529.32 and 90,745.44 is: 125,115.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,816.48 : 195,529.32 = 90,745.44 : x
  2. Step 2: Convert to fraction form
    141,816.48/195,529.32 = 90,745.44/x
  3. Step 3: Cross multiply
    141,816.48x = 195,529.32 × 90,745.44
  4. Step 4: Simplify right side
    141,816.48x = 17,743,394,176.30
  5. Step 5: Solve for x
    x = 17,743,394,176.30/141,816.48
  6. Step 6: Final answer
    x = 125,115.18

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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.