Finding the Fourth Proportional to 113,423.80, 170,135.70 and 101,176.60
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Solution
The fourth proportional to 113,423.80, 170,135.70 and 101,176.60 is: 151,764.90
Step by Step Solution
- Step 1: Write the proportion equation
113,423.80 : 170,135.70 = 101,176.60 : x - Step 2: Convert to fraction form
113,423.80/170,135.70 = 101,176.60/x - Step 3: Cross multiply
113,423.80x = 170,135.70 × 101,176.60 - Step 4: Simplify right side
113,423.80x = 17,213,751,664.62 - Step 5: Solve for x
x = 17,213,751,664.62/113,423.80 - Step 6: Final answer
x = 151,764.90
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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.