Finding the Fourth Proportional to 123,784.99, 185,647.62 and 57,161.08
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Solution
The fourth proportional to 123,784.99, 185,647.62 and 57,161.08 is: 85,727.83
Step by Step Solution
- Step 1: Write the proportion equation
123,784.99 : 185,647.62 = 57,161.08 : x - Step 2: Convert to fraction form
123,784.99/185,647.62 = 57,161.08/x - Step 3: Cross multiply
123,784.99x = 185,647.62 × 57,161.08 - Step 4: Simplify right side
123,784.99x = 10,611,818,458.63 - Step 5: Solve for x
x = 10,611,818,458.63/123,784.99 - Step 6: Final answer
x = 85,727.83
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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.