Finding the Fourth Proportional to 107,469.39, 161,183.10 and 102,135.09
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Solution
The fourth proportional to 107,469.39, 161,183.10 and 102,135.09 is: 153,182.69
Step by Step Solution
- Step 1: Write the proportion equation
107,469.39 : 161,183.10 = 102,135.09 : x - Step 2: Convert to fraction form
107,469.39/161,183.10 = 102,135.09/x - Step 3: Cross multiply
107,469.39x = 161,183.10 × 102,135.09 - Step 4: Simplify right side
107,469.39x = 16,462,450,424.98 - Step 5: Solve for x
x = 16,462,450,424.98/107,469.39 - Step 6: Final answer
x = 153,182.69
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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.