Finding the Fourth Proportional to 122,792.26, 169,463.16 and 69,074.08
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Solution
The fourth proportional to 122,792.26, 169,463.16 and 69,074.08 is: 95,327.77
Step by Step Solution
- Step 1: Write the proportion equation
122,792.26 : 169,463.16 = 69,074.08 : x - Step 2: Convert to fraction form
122,792.26/169,463.16 = 69,074.08/x - Step 3: Cross multiply
122,792.26x = 169,463.16 × 69,074.08 - Step 4: Simplify right side
122,792.26x = 11,705,511,870.89 - Step 5: Solve for x
x = 11,705,511,870.89/122,792.26 - Step 6: Final answer
x = 95,327.77
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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.