Finding the Fourth Proportional to 127,844.09, 176,351.69 and 80,014.40
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Solution
The fourth proportional to 127,844.09, 176,351.69 and 80,014.40 is: 110,374.09
Step by Step Solution
- Step 1: Write the proportion equation
127,844.09 : 176,351.69 = 80,014.40 : x - Step 2: Convert to fraction form
127,844.09/176,351.69 = 80,014.40/x - Step 3: Cross multiply
127,844.09x = 176,351.69 × 80,014.40 - Step 4: Simplify right side
127,844.09x = 14,110,675,305.25 - Step 5: Solve for x
x = 14,110,675,305.25/127,844.09 - Step 6: Final answer
x = 110,374.09
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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.