Finding the Fourth Proportional to 125,178.44, 186,857.09 and 115,927.43
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Solution
The fourth proportional to 125,178.44, 186,857.09 and 115,927.43 is: 173,047.87
Step by Step Solution
- Step 1: Write the proportion equation
125,178.44 : 186,857.09 = 115,927.43 : x - Step 2: Convert to fraction form
125,178.44/186,857.09 = 115,927.43/x - Step 3: Cross multiply
125,178.44x = 186,857.09 × 115,927.43 - Step 4: Simplify right side
125,178.44x = 21,661,862,398.30 - Step 5: Solve for x
x = 21,661,862,398.30/125,178.44 - Step 6: Final answer
x = 173,047.87
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.