Finding the Fourth Proportional to 132,146.24, 182,370.69 and 74,785.41
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Solution
The fourth proportional to 132,146.24, 182,370.69 and 74,785.41 is: 103,208.89
Step by Step Solution
- Step 1: Write the proportion equation
132,146.24 : 182,370.69 = 74,785.41 : x - Step 2: Convert to fraction form
132,146.24/182,370.69 = 74,785.41/x - Step 3: Cross multiply
132,146.24x = 182,370.69 × 74,785.41 - Step 4: Simplify right side
132,146.24x = 13,638,666,823.63 - Step 5: Solve for x
x = 13,638,666,823.63/132,146.24 - Step 6: Final answer
x = 103,208.89
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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.