Finding the Fourth Proportional to 121,087.23, 181,637.67 and 36,850.14
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Solution
The fourth proportional to 121,087.23, 181,637.67 and 36,850.14 is: 55,277.28
Step by Step Solution
- Step 1: Write the proportion equation
121,087.23 : 181,637.67 = 36,850.14 : x - Step 2: Convert to fraction form
121,087.23/181,637.67 = 36,850.14/x - Step 3: Cross multiply
121,087.23x = 181,637.67 × 36,850.14 - Step 4: Simplify right side
121,087.23x = 6,693,372,660.59 - Step 5: Solve for x
x = 6,693,372,660.59/121,087.23 - Step 6: Final answer
x = 55,277.28
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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.