Finding the Fourth Proportional to 132,753.26, 183,214.44 and 81,756.02
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Solution
The fourth proportional to 132,753.26, 183,214.44 and 81,756.02 is: 112,832.51
Step by Step Solution
- Step 1: Write the proportion equation
132,753.26 : 183,214.44 = 81,756.02 : x - Step 2: Convert to fraction form
132,753.26/183,214.44 = 81,756.02/x - Step 3: Cross multiply
132,753.26x = 183,214.44 × 81,756.02 - Step 4: Simplify right side
132,753.26x = 14,978,883,420.93 - Step 5: Solve for x
x = 14,978,883,420.93/132,753.26 - Step 6: Final answer
x = 112,832.51
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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.