Finding the Fourth Proportional to 122,466.93, 168,992.69 and 68,739.63
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Solution
The fourth proportional to 122,466.93, 168,992.69 and 68,739.63 is: 94,854.14
Step by Step Solution
- Step 1: Write the proportion equation
122,466.93 : 168,992.69 = 68,739.63 : x - Step 2: Convert to fraction form
122,466.93/168,992.69 = 68,739.63/x - Step 3: Cross multiply
122,466.93x = 168,992.69 × 68,739.63 - Step 4: Simplify right side
122,466.93x = 11,616,494,983.30 - Step 5: Solve for x
x = 11,616,494,983.30/122,466.93 - Step 6: Final answer
x = 94,854.14
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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.