Finding the Fourth Proportional to 125,252.46, 172,847.52 and 68,662.62
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Solution
The fourth proportional to 125,252.46, 172,847.52 and 68,662.62 is: 94,753.94
Step by Step Solution
- Step 1: Write the proportion equation
125,252.46 : 172,847.52 = 68,662.62 : x - Step 2: Convert to fraction form
125,252.46/172,847.52 = 68,662.62/x - Step 3: Cross multiply
125,252.46x = 172,847.52 × 68,662.62 - Step 4: Simplify right side
125,252.46x = 11,868,163,583.70 - Step 5: Solve for x
x = 11,868,163,583.70/125,252.46 - Step 6: Final answer
x = 94,753.94
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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.