Finding the Fourth Proportional to 122,301.09, 183,161.63 and 96,918.99
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Solution
The fourth proportional to 122,301.09, 183,161.63 and 96,918.99 is: 145,148.67
Step by Step Solution
- Step 1: Write the proportion equation
122,301.09 : 183,161.63 = 96,918.99 : x - Step 2: Convert to fraction form
122,301.09/183,161.63 = 96,918.99/x - Step 3: Cross multiply
122,301.09x = 183,161.63 × 96,918.99 - Step 4: Simplify right side
122,301.09x = 17,751,840,428.65 - Step 5: Solve for x
x = 17,751,840,428.65/122,301.09 - Step 6: Final answer
x = 145,148.67
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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.