Finding the Fourth Proportional to 134,188.22, 185,189.42 and 80,472.26
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Solution
The fourth proportional to 134,188.22, 185,189.42 and 80,472.26 is: 111,057.52
Step by Step Solution
- Step 1: Write the proportion equation
134,188.22 : 185,189.42 = 80,472.26 : x - Step 2: Convert to fraction form
134,188.22/185,189.42 = 80,472.26/x - Step 3: Cross multiply
134,188.22x = 185,189.42 × 80,472.26 - Step 4: Simplify right side
134,188.22x = 14,902,611,155.49 - Step 5: Solve for x
x = 14,902,611,155.49/134,188.22 - Step 6: Final answer
x = 111,057.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.