Finding the Fourth Proportional to 187,069.55, 258,151.79 and 102,186.95
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Solution
The fourth proportional to 187,069.55, 258,151.79 and 102,186.95 is: 141,015.70
Step by Step Solution
- Step 1: Write the proportion equation
187,069.55 : 258,151.79 = 102,186.95 : x - Step 2: Convert to fraction form
187,069.55/258,151.79 = 102,186.95/x - Step 3: Cross multiply
187,069.55x = 258,151.79 × 102,186.95 - Step 4: Simplify right side
187,069.55x = 26,379,743,546.21 - Step 5: Solve for x
x = 26,379,743,546.21/187,069.55 - Step 6: Final answer
x = 141,015.70
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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.