Finding the Fourth Proportional to 106,477.36, 146,936.18 and 58,729.68
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Solution
The fourth proportional to 106,477.36, 146,936.18 and 58,729.68 is: 81,045.54
Step by Step Solution
- Step 1: Write the proportion equation
106,477.36 : 146,936.18 = 58,729.68 : x - Step 2: Convert to fraction form
106,477.36/146,936.18 = 58,729.68/x - Step 3: Cross multiply
106,477.36x = 146,936.18 × 58,729.68 - Step 4: Simplify right side
106,477.36x = 8,629,515,345.99 - Step 5: Solve for x
x = 8,629,515,345.99/106,477.36 - Step 6: Final answer
x = 81,045.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.