Finding the Fourth Proportional to 122,537.90, 169,102.97 and 68,822.92
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Solution
The fourth proportional to 122,537.90, 169,102.97 and 68,822.92 is: 94,976.00
Step by Step Solution
- Step 1: Write the proportion equation
122,537.90 : 169,102.97 = 68,822.92 : x - Step 2: Convert to fraction form
122,537.90/169,102.97 = 68,822.92/x - Step 3: Cross multiply
122,537.90x = 169,102.97 × 68,822.92 - Step 4: Simplify right side
122,537.90x = 11,638,160,176.07 - Step 5: Solve for x
x = 11,638,160,176.07/122,537.90 - Step 6: Final answer
x = 94,976.00
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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.