Finding the Fourth Proportional to 122,252.97, 168,708.98 and 68,538.00
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Solution
The fourth proportional to 122,252.97, 168,708.98 and 68,538.00 is: 94,582.37
Step by Step Solution
- Step 1: Write the proportion equation
122,252.97 : 168,708.98 = 68,538.00 : x - Step 2: Convert to fraction form
122,252.97/168,708.98 = 68,538.00/x - Step 3: Cross multiply
122,252.97x = 168,708.98 × 68,538.00 - Step 4: Simplify right side
122,252.97x = 11,562,974,885.01 - Step 5: Solve for x
x = 11,562,974,885.01/122,252.97 - Step 6: Final answer
x = 94,582.37
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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.