Finding the Fourth Proportional to 134,883.70, 202,325.55 and 129,124.60
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Solution
The fourth proportional to 134,883.70, 202,325.55 and 129,124.60 is: 193,686.90
Step by Step Solution
- Step 1: Write the proportion equation
134,883.70 : 202,325.55 = 129,124.60 : x - Step 2: Convert to fraction form
134,883.70/202,325.55 = 129,124.60/x - Step 3: Cross multiply
134,883.70x = 202,325.55 × 129,124.60 - Step 4: Simplify right side
134,883.70x = 26,125,205,713.53 - Step 5: Solve for x
x = 26,125,205,713.53/134,883.70 - Step 6: Final answer
x = 193,686.90
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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.