Finding the Fourth Proportional to 122,229.55, 168,673.53 and 68,518.05
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Solution
The fourth proportional to 122,229.55, 168,673.53 and 68,518.05 is: 94,553.09
Step by Step Solution
- Step 1: Write the proportion equation
122,229.55 : 168,673.53 = 68,518.05 : x - Step 2: Convert to fraction form
122,229.55/168,673.53 = 68,518.05/x - Step 3: Cross multiply
122,229.55x = 168,673.53 × 68,518.05 - Step 4: Simplify right side
122,229.55x = 11,557,181,362.22 - Step 5: Solve for x
x = 11,557,181,362.22/122,229.55 - Step 6: Final answer
x = 94,553.09
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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.