Finding the Fourth Proportional to 121,161.66, 181,729.68 and 32,424.12
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Solution
The fourth proportional to 121,161.66, 181,729.68 and 32,424.12 is: 48,632.75
Step by Step Solution
- Step 1: Write the proportion equation
121,161.66 : 181,729.68 = 32,424.12 : x - Step 2: Convert to fraction form
121,161.66/181,729.68 = 32,424.12/x - Step 3: Cross multiply
121,161.66x = 181,729.68 × 32,424.12 - Step 4: Simplify right side
121,161.66x = 5,892,424,951.88 - Step 5: Solve for x
x = 5,892,424,951.88/121,161.66 - Step 6: Final answer
x = 48,632.75
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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.