Finding the Fourth Proportional to 190,696.23, 263,159.96 and 105,813.09
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Solution
The fourth proportional to 190,696.23, 263,159.96 and 105,813.09 is: 146,021.60
Step by Step Solution
- Step 1: Write the proportion equation
190,696.23 : 263,159.96 = 105,813.09 : x - Step 2: Convert to fraction form
190,696.23/263,159.96 = 105,813.09/x - Step 3: Cross multiply
190,696.23x = 263,159.96 × 105,813.09 - Step 4: Simplify right side
190,696.23x = 27,845,768,002.81 - Step 5: Solve for x
x = 27,845,768,002.81/190,696.23 - Step 6: Final answer
x = 146,021.60
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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.