Finding the Fourth Proportional to 136,095.24, 187,768.08 and 82,363.08
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Solution
The fourth proportional to 136,095.24, 187,768.08 and 82,363.08 is: 113,634.81
Step by Step Solution
- Step 1: Write the proportion equation
136,095.24 : 187,768.08 = 82,363.08 : x - Step 2: Convert to fraction form
136,095.24/187,768.08 = 82,363.08/x - Step 3: Cross multiply
136,095.24x = 187,768.08 × 82,363.08 - Step 4: Simplify right side
136,095.24x = 15,465,157,394.49 - Step 5: Solve for x
x = 15,465,157,394.49/136,095.24 - Step 6: Final answer
x = 113,634.81
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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.