Finding the Fourth Proportional to 122,029.08, 168,398.37 and 68,313.84
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Solution
The fourth proportional to 122,029.08, 168,398.37 and 68,313.84 is: 94,272.11
Step by Step Solution
- Step 1: Write the proportion equation
122,029.08 : 168,398.37 = 68,313.84 : x - Step 2: Convert to fraction form
122,029.08/168,398.37 = 68,313.84/x - Step 3: Cross multiply
122,029.08x = 168,398.37 × 68,313.84 - Step 4: Simplify right side
122,029.08x = 11,503,939,304.44 - Step 5: Solve for x
x = 11,503,939,304.44/122,029.08 - Step 6: Final answer
x = 94,272.11
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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.