Finding the Fourth Proportional to 121,241.96, 167,319.09 and 67,526.99
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Solution
The fourth proportional to 121,241.96, 167,319.09 and 67,526.99 is: 93,190.13
Step by Step Solution
- Step 1: Write the proportion equation
121,241.96 : 167,319.09 = 67,526.99 : x - Step 2: Convert to fraction form
121,241.96/167,319.09 = 67,526.99/x - Step 3: Cross multiply
121,241.96x = 167,319.09 × 67,526.99 - Step 4: Simplify right side
121,241.96x = 11,298,554,517.24 - Step 5: Solve for x
x = 11,298,554,517.24/121,241.96 - Step 6: Final answer
x = 93,190.13
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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.