Finding the Fourth Proportional to 134,885.64, 202,430.57 and 75,771.03
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Solution
The fourth proportional to 134,885.64, 202,430.57 and 75,771.03 is: 113,713.90
Step by Step Solution
- Step 1: Write the proportion equation
134,885.64 : 202,430.57 = 75,771.03 : x - Step 2: Convert to fraction form
134,885.64/202,430.57 = 75,771.03/x - Step 3: Cross multiply
134,885.64x = 202,430.57 × 75,771.03 - Step 4: Simplify right side
134,885.64x = 15,338,372,413.53 - Step 5: Solve for x
x = 15,338,372,413.53/134,885.64 - Step 6: Final answer
x = 113,713.90
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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.