Finding the Fourth Proportional to 187,121.14, 258,224.16 and 102,236.38
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Solution
The fourth proportional to 187,121.14, 258,224.16 and 102,236.38 is: 141,084.56
Step by Step Solution
- Step 1: Write the proportion equation
187,121.14 : 258,224.16 = 102,236.38 : x - Step 2: Convert to fraction form
187,121.14/258,224.16 = 102,236.38/x - Step 3: Cross multiply
187,121.14x = 258,224.16 × 102,236.38 - Step 4: Simplify right side
187,121.14x = 26,399,903,346.94 - Step 5: Solve for x
x = 26,399,903,346.94/187,121.14 - Step 6: Final answer
x = 141,084.56
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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.