Home / 141,424.89-211,997.21-66,410.75

Finding the Fourth Proportional to 141,424.89, 211,997.21 and 66,410.75

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Solution

The fourth proportional to 141,424.89, 211,997.21 and 66,410.75 is: 99,550.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,424.89 : 211,997.21 = 66,410.75 : x
  2. Step 2: Convert to fraction form
    141,424.89/211,997.21 = 66,410.75/x
  3. Step 3: Cross multiply
    141,424.89x = 211,997.21 × 66,410.75
  4. Step 4: Simplify right side
    141,424.89x = 14,078,894,410.03
  5. Step 5: Solve for x
    x = 14,078,894,410.03/141,424.89
  6. Step 6: Final answer
    x = 99,550.33

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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.