Finding the Fourth Proportional to 127,412.53, 190,043.77 and 110,640.67
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Solution
The fourth proportional to 127,412.53, 190,043.77 and 110,640.67 is: 165,027.49
Step by Step Solution
- Step 1: Write the proportion equation
127,412.53 : 190,043.77 = 110,640.67 : x - Step 2: Convert to fraction form
127,412.53/190,043.77 = 110,640.67/x - Step 3: Cross multiply
127,412.53x = 190,043.77 × 110,640.67 - Step 4: Simplify right side
127,412.53x = 21,026,570,042.13 - Step 5: Solve for x
x = 21,026,570,042.13/127,412.53 - Step 6: Final answer
x = 165,027.49
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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.