Finding the Fourth Proportional to 121,161.48, 181,727.79 and 32,421.84
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Solution
The fourth proportional to 121,161.48, 181,727.79 and 32,421.84 is: 48,628.90
Step by Step Solution
- Step 1: Write the proportion equation
121,161.48 : 181,727.79 = 32,421.84 : x - Step 2: Convert to fraction form
121,161.48/181,727.79 = 32,421.84/x - Step 3: Cross multiply
121,161.48x = 181,727.79 × 32,421.84 - Step 4: Simplify right side
121,161.48x = 5,891,949,330.93 - Step 5: Solve for x
x = 5,891,949,330.93/121,161.48 - Step 6: Final answer
x = 48,628.90
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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.