Finding the Fourth Proportional to 187,093.98, 258,201.56 and 106,528.54
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Solution
The fourth proportional to 187,093.98, 258,201.56 and 106,528.54 is: 147,016.14
Step by Step Solution
- Step 1: Write the proportion equation
187,093.98 : 258,201.56 = 106,528.54 : x - Step 2: Convert to fraction form
187,093.98/258,201.56 = 106,528.54/x - Step 3: Cross multiply
187,093.98x = 258,201.56 × 106,528.54 - Step 4: Simplify right side
187,093.98x = 27,505,835,212.52 - Step 5: Solve for x
x = 27,505,835,212.52/187,093.98 - Step 6: Final answer
x = 147,016.14
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1.5x scale
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.