Finding the Fourth Proportional to 187,912.49, 281,803.06 and 88,119.68
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Solution
The fourth proportional to 187,912.49, 281,803.06 and 88,119.68 is: 132,148.72
Step by Step Solution
- Step 1: Write the proportion equation
187,912.49 : 281,803.06 = 88,119.68 : x - Step 2: Convert to fraction form
187,912.49/281,803.06 = 88,119.68/x - Step 3: Cross multiply
187,912.49x = 281,803.06 × 88,119.68 - Step 4: Simplify right side
187,912.49x = 24,832,393,840.91 - Step 5: Solve for x
x = 24,832,393,840.91/187,912.49 - Step 6: Final answer
x = 132,148.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.