Finding the Fourth Proportional to 104,183.56, 143,786.42 and 58,863.80
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Solution
The fourth proportional to 104,183.56, 143,786.42 and 58,863.80 is: 81,239.45
Step by Step Solution
- Step 1: Write the proportion equation
104,183.56 : 143,786.42 = 58,863.80 : x - Step 2: Convert to fraction form
104,183.56/143,786.42 = 58,863.80/x - Step 3: Cross multiply
104,183.56x = 143,786.42 × 58,863.80 - Step 4: Simplify right side
104,183.56x = 8,463,815,069.60 - Step 5: Solve for x
x = 8,463,815,069.60/104,183.56 - Step 6: Final answer
x = 81,239.45
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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.