Finding the Fourth Proportional to 106,418.88, 146,859.04 and 58,673.92
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Solution
The fourth proportional to 106,418.88, 146,859.04 and 58,673.92 is: 80,970.55
Step by Step Solution
- Step 1: Write the proportion equation
106,418.88 : 146,859.04 = 58,673.92 : x - Step 2: Convert to fraction form
106,418.88/146,859.04 = 58,673.92/x - Step 3: Cross multiply
106,418.88x = 146,859.04 × 58,673.92 - Step 4: Simplify right side
106,418.88x = 8,616,795,564.24 - Step 5: Solve for x
x = 8,616,795,564.24/106,418.88 - Step 6: Final answer
x = 80,970.55
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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.