Finding the Fourth Proportional to 125,894.94, 173,734.11 and 69,305.10
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Solution
The fourth proportional to 125,894.94, 173,734.11 and 69,305.10 is: 95,640.54
Step by Step Solution
- Step 1: Write the proportion equation
125,894.94 : 173,734.11 = 69,305.10 : x - Step 2: Convert to fraction form
125,894.94/173,734.11 = 69,305.10/x - Step 3: Cross multiply
125,894.94x = 173,734.11 × 69,305.10 - Step 4: Simplify right side
125,894.94x = 12,040,659,866.96 - Step 5: Solve for x
x = 12,040,659,866.96/125,894.94 - Step 6: Final answer
x = 95,640.54
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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.