Finding the Fourth Proportional to 140,116.36, 193,310.06 and 107,860.85
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Solution
The fourth proportional to 140,116.36, 193,310.06 and 107,860.85 is: 148,809.08
Step by Step Solution
- Step 1: Write the proportion equation
140,116.36 : 193,310.06 = 107,860.85 : x - Step 2: Convert to fraction form
140,116.36/193,310.06 = 107,860.85/x - Step 3: Cross multiply
140,116.36x = 193,310.06 × 107,860.85 - Step 4: Simplify right side
140,116.36x = 20,850,586,418.60 - Step 5: Solve for x
x = 20,850,586,418.60/140,116.36 - Step 6: Final answer
x = 148,809.08
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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.