Finding the Fourth Proportional to 112,063.60, 167,922.60 and 97,202.80
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Solution
The fourth proportional to 112,063.60, 167,922.60 and 97,202.80 is: 145,654.32
Step by Step Solution
- Step 1: Write the proportion equation
112,063.60 : 167,922.60 = 97,202.80 : x - Step 2: Convert to fraction form
112,063.60/167,922.60 = 97,202.80/x - Step 3: Cross multiply
112,063.60x = 167,922.60 × 97,202.80 - Step 4: Simplify right side
112,063.60x = 16,322,546,903.28 - Step 5: Solve for x
x = 16,322,546,903.28/112,063.60 - Step 6: Final answer
x = 145,654.32
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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.