Finding the Fourth Proportional to 125,813.70, 173,619.72 and 68,450.58
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Solution
The fourth proportional to 125,813.70, 173,619.72 and 68,450.58 is: 94,460.07
Step by Step Solution
- Step 1: Write the proportion equation
125,813.70 : 173,619.72 = 68,450.58 : x - Step 2: Convert to fraction form
125,813.70/173,619.72 = 68,450.58/x - Step 3: Cross multiply
125,813.70x = 173,619.72 × 68,450.58 - Step 4: Simplify right side
125,813.70x = 11,884,370,533.44 - Step 5: Solve for x
x = 11,884,370,533.44/125,813.70 - Step 6: Final answer
x = 94,460.07
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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.