Home / 141,249.85-211,764-66,331.43

Finding the Fourth Proportional to 141,249.85, 211,764 and 66,331.43

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Solution

The fourth proportional to 141,249.85, 211,764 and 66,331.43 is: 99,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,249.85 : 211,764 = 66,331.43 : x
  2. Step 2: Convert to fraction form
    141,249.85/211,764 = 66,331.43/x
  3. Step 3: Cross multiply
    141,249.85x = 211,764 × 66,331.43
  4. Step 4: Simplify right side
    141,249.85x = 14,046,608,942.52
  5. Step 5: Solve for x
    x = 14,046,608,942.52/141,249.85
  6. Step 6: Final answer
    x = 99,445.13

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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.