Finding the Fourth Proportional to 146,774.92, 202,537.92 and 86,347.84
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Solution
The fourth proportional to 146,774.92, 202,537.92 and 86,347.84 is: 119,153.27
Step by Step Solution
- Step 1: Write the proportion equation
146,774.92 : 202,537.92 = 86,347.84 : x - Step 2: Convert to fraction form
146,774.92/202,537.92 = 86,347.84/x - Step 3: Cross multiply
146,774.92x = 202,537.92 × 86,347.84 - Step 4: Simplify right side
146,774.92x = 17,488,711,910.09 - Step 5: Solve for x
x = 17,488,711,910.09/146,774.92 - Step 6: Final answer
x = 119,153.27
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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.