Finding the Fourth Proportional to 126,163.88, 174,106.04 and 68,803.31
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Solution
The fourth proportional to 126,163.88, 174,106.04 and 68,803.31 is: 94,948.51
Step by Step Solution
- Step 1: Write the proportion equation
126,163.88 : 174,106.04 = 68,803.31 : x - Step 2: Convert to fraction form
126,163.88/174,106.04 = 68,803.31/x - Step 3: Cross multiply
126,163.88x = 174,106.04 × 68,803.31 - Step 4: Simplify right side
126,163.88x = 11,979,071,380.41 - Step 5: Solve for x
x = 11,979,071,380.41/126,163.88 - Step 6: Final answer
x = 94,948.51
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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.