Home / 141,408.40-195,144.10-77,750.24

Finding the Fourth Proportional to 141,408.40, 195,144.10 and 77,750.24

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Solution

The fourth proportional to 141,408.40, 195,144.10 and 77,750.24 is: 107,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,408.40 : 195,144.10 = 77,750.24 : x
  2. Step 2: Convert to fraction form
    141,408.40/195,144.10 = 77,750.24/x
  3. Step 3: Cross multiply
    141,408.40x = 195,144.10 × 77,750.24
  4. Step 4: Simplify right side
    141,408.40x = 15,172,500,609.58
  5. Step 5: Solve for x
    x = 15,172,500,609.58/141,408.40
  6. Step 6: Final answer
    x = 107,295.61

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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.