Finding the Fourth Proportional to 132,129.02, 182,334.84 and 75,536.75
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Solution
The fourth proportional to 132,129.02, 182,334.84 and 75,536.75 is: 104,238.88
Step by Step Solution
- Step 1: Write the proportion equation
132,129.02 : 182,334.84 = 75,536.75 : x - Step 2: Convert to fraction form
132,129.02/182,334.84 = 75,536.75/x - Step 3: Cross multiply
132,129.02x = 182,334.84 × 75,536.75 - Step 4: Simplify right side
132,129.02x = 13,772,981,225.37 - Step 5: Solve for x
x = 13,772,981,225.37/132,129.02 - Step 6: Final answer
x = 104,238.88
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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.