Finding the Fourth Proportional to 121,992.24, 168,365.34 and 68,297.88
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Solution
The fourth proportional to 121,992.24, 168,365.34 and 68,297.88 is: 94,260.06
Step by Step Solution
- Step 1: Write the proportion equation
121,992.24 : 168,365.34 = 68,297.88 : x - Step 2: Convert to fraction form
121,992.24/168,365.34 = 68,297.88/x - Step 3: Cross multiply
121,992.24x = 168,365.34 × 68,297.88 - Step 4: Simplify right side
121,992.24x = 11,498,995,787.48 - Step 5: Solve for x
x = 11,498,995,787.48/121,992.24 - Step 6: Final answer
x = 94,260.06
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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.