Finding the Fourth Proportional to 121,682.52, 167,910.93 and 67,960.08
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Solution
The fourth proportional to 121,682.52, 167,910.93 and 67,960.08 is: 93,778.80
Step by Step Solution
- Step 1: Write the proportion equation
121,682.52 : 167,910.93 = 67,960.08 : x - Step 2: Convert to fraction form
121,682.52/167,910.93 = 67,960.08/x - Step 3: Cross multiply
121,682.52x = 167,910.93 × 67,960.08 - Step 4: Simplify right side
121,682.52x = 11,411,240,235.67 - Step 5: Solve for x
x = 11,411,240,235.67/121,682.52 - Step 6: Final answer
x = 93,778.80
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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.