Finding the Fourth Proportional to 121,226.37, 181,755.05 and 53,721.65
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Solution
The fourth proportional to 121,226.37, 181,755.05 and 53,721.65 is: 80,545.02
Step by Step Solution
- Step 1: Write the proportion equation
121,226.37 : 181,755.05 = 53,721.65 : x - Step 2: Convert to fraction form
121,226.37/181,755.05 = 53,721.65/x - Step 3: Cross multiply
121,226.37x = 181,755.05 × 53,721.65 - Step 4: Simplify right side
121,226.37x = 9,764,180,004.45 - Step 5: Solve for x
x = 9,764,180,004.45/121,226.37 - Step 6: Final answer
x = 80,545.02
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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.