Finding the Fourth Proportional to 132,625.68, 183,022.92 and 72,199.68
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Solution
The fourth proportional to 132,625.68, 183,022.92 and 72,199.68 is: 99,635.28
Step by Step Solution
- Step 1: Write the proportion equation
132,625.68 : 183,022.92 = 72,199.68 : x - Step 2: Convert to fraction form
132,625.68/183,022.92 = 72,199.68/x - Step 3: Cross multiply
132,625.68x = 183,022.92 × 72,199.68 - Step 4: Simplify right side
132,625.68x = 13,214,196,256.67 - Step 5: Solve for x
x = 13,214,196,256.67/132,625.68 - Step 6: Final answer
x = 99,635.28
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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.