Finding the Fourth Proportional to 168,122.40, 252,183.60 and 97,263.60
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Solution
The fourth proportional to 168,122.40, 252,183.60 and 97,263.60 is: 145,895.40
Step by Step Solution
- Step 1: Write the proportion equation
168,122.40 : 252,183.60 = 97,263.60 : x - Step 2: Convert to fraction form
168,122.40/252,183.60 = 97,263.60/x - Step 3: Cross multiply
168,122.40x = 252,183.60 × 97,263.60 - Step 4: Simplify right side
168,122.40x = 24,528,284,796.96 - Step 5: Solve for x
x = 24,528,284,796.96/168,122.40 - Step 6: Final answer
x = 145,895.40
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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.