Finding the Fourth Proportional to 126,214.25, 174,163.56 and 69,621.98
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Solution
The fourth proportional to 126,214.25, 174,163.56 and 69,621.98 is: 96,071.65
Step by Step Solution
- Step 1: Write the proportion equation
126,214.25 : 174,163.56 = 69,621.98 : x - Step 2: Convert to fraction form
126,214.25/174,163.56 = 69,621.98/x - Step 3: Cross multiply
126,214.25x = 174,163.56 × 69,621.98 - Step 4: Simplify right side
126,214.25x = 12,125,611,673.34 - Step 5: Solve for x
x = 12,125,611,673.34/126,214.25 - Step 6: Final answer
x = 96,071.65
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1.5x scale
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.