Home / 141,190.82-211,724.06-66,332.24

Finding the Fourth Proportional to 141,190.82, 211,724.06 and 66,332.24

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Solution

The fourth proportional to 141,190.82, 211,724.06 and 66,332.24 is: 99,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,190.82 : 211,724.06 = 66,332.24 : x
  2. Step 2: Convert to fraction form
    141,190.82/211,724.06 = 66,332.24/x
  3. Step 3: Cross multiply
    141,190.82x = 211,724.06 × 66,332.24
  4. Step 4: Simplify right side
    141,190.82x = 14,044,131,161.69
  5. Step 5: Solve for x
    x = 14,044,131,161.69/141,190.82
  6. Step 6: Final answer
    x = 99,469.15

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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.