Finding the Fourth Proportional to 122,464.14, 168,999.02 and 68,747.77
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Solution
The fourth proportional to 122,464.14, 168,999.02 and 68,747.77 is: 94,871.09
Step by Step Solution
- Step 1: Write the proportion equation
122,464.14 : 168,999.02 = 68,747.77 : x - Step 2: Convert to fraction form
122,464.14/168,999.02 = 68,747.77/x - Step 3: Cross multiply
122,464.14x = 168,999.02 × 68,747.77 - Step 4: Simplify right side
122,464.14x = 11,618,306,269.21 - Step 5: Solve for x
x = 11,618,306,269.21/122,464.14 - Step 6: Final answer
x = 94,871.09
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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.