Finding the Fourth Proportional to 132,955.31, 183,546.05 and 102,672.65
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Solution
The fourth proportional to 132,955.31, 183,546.05 and 102,672.65 is: 141,740.55
Step by Step Solution
- Step 1: Write the proportion equation
132,955.31 : 183,546.05 = 102,672.65 : x - Step 2: Convert to fraction form
132,955.31/183,546.05 = 102,672.65/x - Step 3: Cross multiply
132,955.31x = 183,546.05 × 102,672.65 - Step 4: Simplify right side
132,955.31x = 18,845,157,919.44 - Step 5: Solve for x
x = 18,845,157,919.44/132,955.31 - Step 6: Final answer
x = 141,740.55
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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.