Finding the Fourth Proportional to 120,754.26, 180,707.63 and 97,003.44
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Solution
The fourth proportional to 120,754.26, 180,707.63 and 97,003.44 is: 145,164.74
Step by Step Solution
- Step 1: Write the proportion equation
120,754.26 : 180,707.63 = 97,003.44 : x - Step 2: Convert to fraction form
120,754.26/180,707.63 = 97,003.44/x - Step 3: Cross multiply
120,754.26x = 180,707.63 × 97,003.44 - Step 4: Simplify right side
120,754.26x = 17,529,261,259.23 - Step 5: Solve for x
x = 17,529,261,259.23/120,754.26 - Step 6: Final answer
x = 145,164.74
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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.