Home / 141,408.96-195,145.08-77,750.85

Finding the Fourth Proportional to 141,408.96, 195,145.08 and 77,750.85

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Solution

The fourth proportional to 141,408.96, 195,145.08 and 77,750.85 is: 107,296.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,408.96 : 195,145.08 = 77,750.85 : x
  2. Step 2: Convert to fraction form
    141,408.96/195,145.08 = 77,750.85/x
  3. Step 3: Cross multiply
    141,408.96x = 195,145.08 × 77,750.85
  4. Step 4: Simplify right side
    141,408.96x = 15,172,695,843.32
  5. Step 5: Solve for x
    x = 15,172,695,843.32/141,408.96
  6. Step 6: Final answer
    x = 107,296.57

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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.