Finding the Fourth Proportional to 121,190.24, 167,241.20 and 67,474.08
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Solution
The fourth proportional to 121,190.24, 167,241.20 and 67,474.08 is: 93,113.49
Step by Step Solution
- Step 1: Write the proportion equation
121,190.24 : 167,241.20 = 67,474.08 : x - Step 2: Convert to fraction form
121,190.24/167,241.20 = 67,474.08/x - Step 3: Cross multiply
121,190.24x = 167,241.20 × 67,474.08 - Step 4: Simplify right side
121,190.24x = 11,284,446,108.10 - Step 5: Solve for x
x = 11,284,446,108.10/121,190.24 - Step 6: Final answer
x = 93,113.49
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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.