Finding the Fourth Proportional to 122,270.93, 168,740.84 and 68,553.35
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Solution
The fourth proportional to 122,270.93, 168,740.84 and 68,553.35 is: 94,607.52
Step by Step Solution
- Step 1: Write the proportion equation
122,270.93 : 168,740.84 = 68,553.35 : x - Step 2: Convert to fraction form
122,270.93/168,740.84 = 68,553.35/x - Step 3: Cross multiply
122,270.93x = 168,740.84 × 68,553.35 - Step 4: Simplify right side
122,270.93x = 11,567,749,863.81 - Step 5: Solve for x
x = 11,567,749,863.81/122,270.93 - Step 6: Final answer
x = 94,607.52
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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.