Finding the Fourth Proportional to 126,125.25, 174,053.21 and 68,765.19
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Solution
The fourth proportional to 126,125.25, 174,053.21 and 68,765.19 is: 94,896.16
Step by Step Solution
- Step 1: Write the proportion equation
126,125.25 : 174,053.21 = 68,765.19 : x - Step 2: Convert to fraction form
126,125.25/174,053.21 = 68,765.19/x - Step 3: Cross multiply
126,125.25x = 174,053.21 × 68,765.19 - Step 4: Simplify right side
126,125.25x = 11,968,801,711.93 - Step 5: Solve for x
x = 11,968,801,711.93/126,125.25 - Step 6: Final answer
x = 94,896.16
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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.