Home / 141,408.32-195,144.12-76,878.18

Finding the Fourth Proportional to 141,408.32, 195,144.12 and 76,878.18

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Solution

The fourth proportional to 141,408.32, 195,144.12 and 76,878.18 is: 106,092.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,408.32 : 195,144.12 = 76,878.18 : x
  2. Step 2: Convert to fraction form
    141,408.32/195,144.12 = 76,878.18/x
  3. Step 3: Cross multiply
    141,408.32x = 195,144.12 × 76,878.18
  4. Step 4: Simplify right side
    141,408.32x = 15,002,324,783.30
  5. Step 5: Solve for x
    x = 15,002,324,783.30/141,408.32
  6. Step 6: Final answer
    x = 106,092.24

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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.