Finding the Fourth Proportional to 126,237.50, 174,207.49 and 68,876.78
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Solution
The fourth proportional to 126,237.50, 174,207.49 and 68,876.78 is: 95,049.82
Step by Step Solution
- Step 1: Write the proportion equation
126,237.50 : 174,207.49 = 68,876.78 : x - Step 2: Convert to fraction form
126,237.50/174,207.49 = 68,876.78/x - Step 3: Cross multiply
126,237.50x = 174,207.49 × 68,876.78 - Step 4: Simplify right side
126,237.50x = 11,998,851,553.05 - Step 5: Solve for x
x = 11,998,851,553.05/126,237.50 - Step 6: Final answer
x = 95,049.82
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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.