Finding the Fourth Proportional to 125,734.08, 173,518.56 and 69,147.48
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Solution
The fourth proportional to 125,734.08, 173,518.56 and 69,147.48 is: 95,426.56
Step by Step Solution
- Step 1: Write the proportion equation
125,734.08 : 173,518.56 = 69,147.48 : x - Step 2: Convert to fraction form
125,734.08/173,518.56 = 69,147.48/x - Step 3: Cross multiply
125,734.08x = 173,518.56 × 69,147.48 - Step 4: Simplify right side
125,734.08x = 11,998,371,157.23 - Step 5: Solve for x
x = 11,998,371,157.23/125,734.08 - Step 6: Final answer
x = 95,426.56
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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.