Finding the Fourth Proportional to 125,910.27, 173,703.15 and 83,394.99
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Solution
The fourth proportional to 125,910.27, 173,703.15 and 83,394.99 is: 115,049.97
Step by Step Solution
- Step 1: Write the proportion equation
125,910.27 : 173,703.15 = 83,394.99 : x - Step 2: Convert to fraction form
125,910.27/173,703.15 = 83,394.99/x - Step 3: Cross multiply
125,910.27x = 173,703.15 × 83,394.99 - Step 4: Simplify right side
125,910.27x = 14,485,972,457.22 - Step 5: Solve for x
x = 14,485,972,457.22/125,910.27 - Step 6: Final answer
x = 115,049.97
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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.