Finding the Fourth Proportional to 122,022.76, 168,394.26 and 68,306.44
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Solution
The fourth proportional to 122,022.76, 168,394.26 and 68,306.44 is: 94,264.48
Step by Step Solution
- Step 1: Write the proportion equation
122,022.76 : 168,394.26 = 68,306.44 : x - Step 2: Convert to fraction form
122,022.76/168,394.26 = 68,306.44/x - Step 3: Cross multiply
122,022.76x = 168,394.26 × 68,306.44 - Step 4: Simplify right side
122,022.76x = 11,502,412,417.03 - Step 5: Solve for x
x = 11,502,412,417.03/122,022.76 - Step 6: Final answer
x = 94,264.48
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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.