Finding the Fourth Proportional to 122,258.62, 168,723.84 and 68,560.84
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Solution
The fourth proportional to 122,258.62, 168,723.84 and 68,560.84 is: 94,617.85
Step by Step Solution
- Step 1: Write the proportion equation
122,258.62 : 168,723.84 = 68,560.84 : x - Step 2: Convert to fraction form
122,258.62/168,723.84 = 68,560.84/x - Step 3: Cross multiply
122,258.62x = 168,723.84 × 68,560.84 - Step 4: Simplify right side
122,258.62x = 11,567,848,198.43 - Step 5: Solve for x
x = 11,567,848,198.43/122,258.62 - Step 6: Final answer
x = 94,617.85
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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.