Finding the Fourth Proportional to 135,054.17, 202,708.37 and 68,542.03
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Solution
The fourth proportional to 135,054.17, 202,708.37 and 68,542.03 is: 102,877.56
Step by Step Solution
- Step 1: Write the proportion equation
135,054.17 : 202,708.37 = 68,542.03 : x - Step 2: Convert to fraction form
135,054.17/202,708.37 = 68,542.03/x - Step 3: Cross multiply
135,054.17x = 202,708.37 × 68,542.03 - Step 4: Simplify right side
135,054.17x = 13,894,043,602.53 - Step 5: Solve for x
x = 13,894,043,602.53/135,054.17 - Step 6: Final answer
x = 102,877.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.