Finding the Fourth Proportional to 118,596.60, 177,894.90 and 113,347.80
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Solution
The fourth proportional to 118,596.60, 177,894.90 and 113,347.80 is: 170,021.70
Step by Step Solution
- Step 1: Write the proportion equation
118,596.60 : 177,894.90 = 113,347.80 : x - Step 2: Convert to fraction form
118,596.60/177,894.90 = 113,347.80/x - Step 3: Cross multiply
118,596.60x = 177,894.90 × 113,347.80 - Step 4: Simplify right side
118,596.60x = 20,163,995,546.22 - Step 5: Solve for x
x = 20,163,995,546.22/118,596.60 - Step 6: Final answer
x = 170,021.70
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1.5x scale
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.