Finding the Fourth Proportional to 121,135.48, 181,723.97 and 41,164.99
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Solution
The fourth proportional to 121,135.48, 181,723.97 and 41,164.99 is: 61,754.53
Step by Step Solution
- Step 1: Write the proportion equation
121,135.48 : 181,723.97 = 41,164.99 : x - Step 2: Convert to fraction form
121,135.48/181,723.97 = 41,164.99/x - Step 3: Cross multiply
121,135.48x = 181,723.97 × 41,164.99 - Step 4: Simplify right side
121,135.48x = 7,480,665,056.41 - Step 5: Solve for x
x = 7,480,665,056.41/121,135.48 - Step 6: Final answer
x = 61,754.53
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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.