Finding the Fourth Proportional to 187,091.97, 258,198.80 and 106,526.53
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Solution
The fourth proportional to 187,091.97, 258,198.80 and 106,526.53 is: 147,013.38
Step by Step Solution
- Step 1: Write the proportion equation
187,091.97 : 258,198.80 = 106,526.53 : x - Step 2: Convert to fraction form
187,091.97/258,198.80 = 106,526.53/x - Step 3: Cross multiply
187,091.97x = 258,198.80 × 106,526.53 - Step 4: Simplify right side
187,091.97x = 27,505,022,214.16 - Step 5: Solve for x
x = 27,505,022,214.16/187,091.97 - Step 6: Final answer
x = 147,013.38
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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.