Finding the Fourth Proportional to 125,995.62, 188,988.71 and 31,226.12
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Solution
The fourth proportional to 125,995.62, 188,988.71 and 31,226.12 is: 46,838.00
Step by Step Solution
- Step 1: Write the proportion equation
125,995.62 : 188,988.71 = 31,226.12 : x - Step 2: Convert to fraction form
125,995.62/188,988.71 = 31,226.12/x - Step 3: Cross multiply
125,995.62x = 188,988.71 × 31,226.12 - Step 4: Simplify right side
125,995.62x = 5,901,383,036.03 - Step 5: Solve for x
x = 5,901,383,036.03/125,995.62 - Step 6: Final answer
x = 46,838.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.