Finding the Fourth Proportional to 135,095.43, 202,642.83 and 126,874.68
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Solution
The fourth proportional to 135,095.43, 202,642.83 and 126,874.68 is: 190,311.72
Step by Step Solution
- Step 1: Write the proportion equation
135,095.43 : 202,642.83 = 126,874.68 : x - Step 2: Convert to fraction form
135,095.43/202,642.83 = 126,874.68/x - Step 3: Cross multiply
135,095.43x = 202,642.83 × 126,874.68 - Step 4: Simplify right side
135,095.43x = 25,710,244,210.54 - Step 5: Solve for x
x = 25,710,244,210.54/135,095.43 - Step 6: Final answer
x = 190,311.72
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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.