Finding the Fourth Proportional to 126,310.68, 174,305.93 and 68,951.07
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Solution
The fourth proportional to 126,310.68, 174,305.93 and 68,951.07 is: 95,150.94
Step by Step Solution
- Step 1: Write the proportion equation
126,310.68 : 174,305.93 = 68,951.07 : x - Step 2: Convert to fraction form
126,310.68/174,305.93 = 68,951.07/x - Step 3: Cross multiply
126,310.68x = 174,305.93 × 68,951.07 - Step 4: Simplify right side
126,310.68x = 12,018,580,036.09 - Step 5: Solve for x
x = 12,018,580,036.09/126,310.68 - Step 6: Final answer
x = 95,150.94
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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.