Finding the Fourth Proportional to 125,563.16, 173,278.35 and 68,974.53
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Solution
The fourth proportional to 125,563.16, 173,278.35 and 68,974.53 is: 95,185.50
Step by Step Solution
- Step 1: Write the proportion equation
125,563.16 : 173,278.35 = 68,974.53 : x - Step 2: Convert to fraction form
125,563.16/173,278.35 = 68,974.53/x - Step 3: Cross multiply
125,563.16x = 173,278.35 × 68,974.53 - Step 4: Simplify right side
125,563.16x = 11,951,792,750.43 - Step 5: Solve for x
x = 11,951,792,750.43/125,563.16 - Step 6: Final answer
x = 95,185.50
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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.