Finding the Fourth Proportional to 168,759.99, 253,241.37 and 67,539.96
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Solution
The fourth proportional to 168,759.99, 253,241.37 and 67,539.96 is: 101,350.52
Step by Step Solution
- Step 1: Write the proportion equation
168,759.99 : 253,241.37 = 67,539.96 : x - Step 2: Convert to fraction form
168,759.99/253,241.37 = 67,539.96/x - Step 3: Cross multiply
168,759.99x = 253,241.37 × 67,539.96 - Step 4: Simplify right side
168,759.99x = 17,103,912,000.15 - Step 5: Solve for x
x = 17,103,912,000.15/168,759.99 - Step 6: Final answer
x = 101,350.52
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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.