Finding the Fourth Proportional to 122,269.68, 168,739.08 and 68,571.84
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Solution
The fourth proportional to 122,269.68, 168,739.08 and 68,571.84 is: 94,633.02
Step by Step Solution
- Step 1: Write the proportion equation
122,269.68 : 168,739.08 = 68,571.84 : x - Step 2: Convert to fraction form
122,269.68/168,739.08 = 68,571.84/x - Step 3: Cross multiply
122,269.68x = 168,739.08 × 68,571.84 - Step 4: Simplify right side
122,269.68x = 11,570,749,195.51 - Step 5: Solve for x
x = 11,570,749,195.51/122,269.68 - Step 6: Final answer
x = 94,633.02
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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.