Finding the Fourth Proportional to 126,053.97, 173,952.21 and 68,693.79
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Solution
The fourth proportional to 126,053.97, 173,952.21 and 68,693.79 is: 94,796.19
Step by Step Solution
- Step 1: Write the proportion equation
126,053.97 : 173,952.21 = 68,693.79 : x - Step 2: Convert to fraction form
126,053.97/173,952.21 = 68,693.79/x - Step 3: Cross multiply
126,053.97x = 173,952.21 × 68,693.79 - Step 4: Simplify right side
126,053.97x = 11,949,436,583.78 - Step 5: Solve for x
x = 11,949,436,583.78/126,053.97 - Step 6: Final answer
x = 94,796.19
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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.