Finding the Fourth Proportional to 128,351.16, 192,545.78 and 44,133.03
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Solution
The fourth proportional to 128,351.16, 192,545.78 and 44,133.03 is: 66,206.09
Step by Step Solution
- Step 1: Write the proportion equation
128,351.16 : 192,545.78 = 44,133.03 : x - Step 2: Convert to fraction form
128,351.16/192,545.78 = 44,133.03/x - Step 3: Cross multiply
128,351.16x = 192,545.78 × 44,133.03 - Step 4: Simplify right side
128,351.16x = 8,497,628,464.45 - Step 5: Solve for x
x = 8,497,628,464.45/128,351.16 - Step 6: Final answer
x = 66,206.09
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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.