Finding the Fourth Proportional to 126,238.53, 174,205.35 and 68,878.95
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Solution
The fourth proportional to 126,238.53, 174,205.35 and 68,878.95 is: 95,050.87
Step by Step Solution
- Step 1: Write the proportion equation
126,238.53 : 174,205.35 = 68,878.95 : x - Step 2: Convert to fraction form
126,238.53/174,205.35 = 68,878.95/x - Step 3: Cross multiply
126,238.53x = 174,205.35 × 68,878.95 - Step 4: Simplify right side
126,238.53x = 11,999,081,592.38 - Step 5: Solve for x
x = 11,999,081,592.38/126,238.53 - Step 6: Final answer
x = 95,050.87
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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.