Finding the Fourth Proportional to 104,680.14, 157,086.81 and 38,113.80
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Solution
The fourth proportional to 104,680.14, 157,086.81 and 38,113.80 is: 57,194.95
Step by Step Solution
- Step 1: Write the proportion equation
104,680.14 : 157,086.81 = 38,113.80 : x - Step 2: Convert to fraction form
104,680.14/157,086.81 = 38,113.80/x - Step 3: Cross multiply
104,680.14x = 157,086.81 × 38,113.80 - Step 4: Simplify right side
104,680.14x = 5,987,175,258.98 - Step 5: Solve for x
x = 5,987,175,258.98/104,680.14 - Step 6: Final answer
x = 57,194.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.