Finding the Fourth Proportional to 122,240.18, 168,691.22 and 68,525.18
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Solution
The fourth proportional to 122,240.18, 168,691.22 and 68,525.18 is: 94,564.62
Step by Step Solution
- Step 1: Write the proportion equation
122,240.18 : 168,691.22 = 68,525.18 : x - Step 2: Convert to fraction form
122,240.18/168,691.22 = 68,525.18/x - Step 3: Cross multiply
122,240.18x = 168,691.22 × 68,525.18 - Step 4: Simplify right side
122,240.18x = 11,559,596,214.92 - Step 5: Solve for x
x = 11,559,596,214.92/122,240.18 - Step 6: Final answer
x = 94,564.62
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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.