Finding the Fourth Proportional to 122,023.26, 168,394.95 and 68,306.94
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Solution
The fourth proportional to 122,023.26, 168,394.95 and 68,306.94 is: 94,265.17
Step by Step Solution
- Step 1: Write the proportion equation
122,023.26 : 168,394.95 = 68,306.94 : x - Step 2: Convert to fraction form
122,023.26/168,394.95 = 68,306.94/x - Step 3: Cross multiply
122,023.26x = 168,394.95 × 68,306.94 - Step 4: Simplify right side
122,023.26x = 11,502,543,745.95 - Step 5: Solve for x
x = 11,502,543,745.95/122,023.26 - Step 6: Final answer
x = 94,265.17
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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.