Finding the Fourth Proportional to 146,183.74, 201,699.11 and 82,509.23
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Solution
The fourth proportional to 146,183.74, 201,699.11 and 82,509.23 is: 113,843.30
Step by Step Solution
- Step 1: Write the proportion equation
146,183.74 : 201,699.11 = 82,509.23 : x - Step 2: Convert to fraction form
146,183.74/201,699.11 = 82,509.23/x - Step 3: Cross multiply
146,183.74x = 201,699.11 × 82,509.23 - Step 4: Simplify right side
146,183.74x = 16,642,038,968.31 - Step 5: Solve for x
x = 16,642,038,968.31/146,183.74 - Step 6: Final answer
x = 113,843.30
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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.