Finding the Fourth Proportional to 134,755.60, 202,133.40 and 92,765.20
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Solution
The fourth proportional to 134,755.60, 202,133.40 and 92,765.20 is: 139,147.80
Step by Step Solution
- Step 1: Write the proportion equation
134,755.60 : 202,133.40 = 92,765.20 : x - Step 2: Convert to fraction form
134,755.60/202,133.40 = 92,765.20/x - Step 3: Cross multiply
134,755.60x = 202,133.40 × 92,765.20 - Step 4: Simplify right side
134,755.60x = 18,750,945,277.68 - Step 5: Solve for x
x = 18,750,945,277.68/134,755.60 - Step 6: Final answer
x = 139,147.80
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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.