Finding the Fourth Proportional to 122,425.24, 168,963.32 and 68,713.19
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Solution
The fourth proportional to 122,425.24, 168,963.32 and 68,713.19 is: 94,833.46
Step by Step Solution
- Step 1: Write the proportion equation
122,425.24 : 168,963.32 = 68,713.19 : x - Step 2: Convert to fraction form
122,425.24/168,963.32 = 68,713.19/x - Step 3: Cross multiply
122,425.24x = 168,963.32 × 68,713.19 - Step 4: Simplify right side
122,425.24x = 11,610,009,234.68 - Step 5: Solve for x
x = 11,610,009,234.68/122,425.24 - Step 6: Final answer
x = 94,833.46
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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.