Finding the Fourth Proportional to 122,334.30, 168,809.97 and 68,608.94
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Solution
The fourth proportional to 122,334.30, 168,809.97 and 68,608.94 is: 94,673.96
Step by Step Solution
- Step 1: Write the proportion equation
122,334.30 : 168,809.97 = 68,608.94 : x - Step 2: Convert to fraction form
122,334.30/168,809.97 = 68,608.94/x - Step 3: Cross multiply
122,334.30x = 168,809.97 × 68,608.94 - Step 4: Simplify right side
122,334.30x = 11,581,872,259.08 - Step 5: Solve for x
x = 11,581,872,259.08/122,334.30 - Step 6: Final answer
x = 94,673.96
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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.