Finding the Fourth Proportional to 106,186.84, 146,537.75 and 58,440.23
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Solution
The fourth proportional to 106,186.84, 146,537.75 and 58,440.23 is: 80,647.46
Step by Step Solution
- Step 1: Write the proportion equation
106,186.84 : 146,537.75 = 58,440.23 : x - Step 2: Convert to fraction form
106,186.84/146,537.75 = 58,440.23/x - Step 3: Cross multiply
106,186.84x = 146,537.75 × 58,440.23 - Step 4: Simplify right side
106,186.84x = 8,563,699,227.09 - Step 5: Solve for x
x = 8,563,699,227.09/106,186.84 - Step 6: Final answer
x = 80,647.46
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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.