Finding the Fourth Proportional to 135,734.96, 187,249.28 and 81,249.96
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Solution
The fourth proportional to 135,734.96, 187,249.28 and 81,249.96 is: 112,086.06
Step by Step Solution
- Step 1: Write the proportion equation
135,734.96 : 187,249.28 = 81,249.96 : x - Step 2: Convert to fraction form
135,734.96/187,249.28 = 81,249.96/x - Step 3: Cross multiply
135,734.96x = 187,249.28 × 81,249.96 - Step 4: Simplify right side
135,734.96x = 15,213,996,510.03 - Step 5: Solve for x
x = 15,213,996,510.03/135,734.96 - Step 6: Final answer
x = 112,086.06
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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.