Finding the Fourth Proportional to 147,028.38, 203,174.99 and 120,161.09
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Solution
The fourth proportional to 147,028.38, 203,174.99 and 120,161.09 is: 166,047.72
Step by Step Solution
- Step 1: Write the proportion equation
147,028.38 : 203,174.99 = 120,161.09 : x - Step 2: Convert to fraction form
147,028.38/203,174.99 = 120,161.09/x - Step 3: Cross multiply
147,028.38x = 203,174.99 × 120,161.09 - Step 4: Simplify right side
147,028.38x = 24,413,726,642.46 - Step 5: Solve for x
x = 24,413,726,642.46/147,028.38 - Step 6: Final answer
x = 166,047.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.