Finding the Fourth Proportional to 121,995.68, 182,998.99 and 53,602.73
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Solution
The fourth proportional to 121,995.68, 182,998.99 and 53,602.73 is: 80,406.50
Step by Step Solution
- Step 1: Write the proportion equation
121,995.68 : 182,998.99 = 53,602.73 : x - Step 2: Convert to fraction form
121,995.68/182,998.99 = 53,602.73/x - Step 3: Cross multiply
121,995.68x = 182,998.99 × 53,602.73 - Step 4: Simplify right side
121,995.68x = 9,809,245,451.24 - Step 5: Solve for x
x = 9,809,245,451.24/121,995.68 - Step 6: Final answer
x = 80,406.50
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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.