Finding the Fourth Proportional to 132,837.06, 183,334.68 and 87,507.84
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Solution
The fourth proportional to 132,837.06, 183,334.68 and 87,507.84 is: 120,773.69
Step by Step Solution
- Step 1: Write the proportion equation
132,837.06 : 183,334.68 = 87,507.84 : x - Step 2: Convert to fraction form
132,837.06/183,334.68 = 87,507.84/x - Step 3: Cross multiply
132,837.06x = 183,334.68 × 87,507.84 - Step 4: Simplify right side
132,837.06x = 16,043,221,843.89 - Step 5: Solve for x
x = 16,043,221,843.89/132,837.06 - Step 6: Final answer
x = 120,773.69
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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.