Finding the Fourth Proportional to 135,166.64, 202,933.80 and 76,043.92
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Solution
The fourth proportional to 135,166.64, 202,933.80 and 76,043.92 is: 114,169.31
Step by Step Solution
- Step 1: Write the proportion equation
135,166.64 : 202,933.80 = 76,043.92 : x - Step 2: Convert to fraction form
135,166.64/202,933.80 = 76,043.92/x - Step 3: Cross multiply
135,166.64x = 202,933.80 × 76,043.92 - Step 4: Simplify right side
135,166.64x = 15,431,881,652.50 - Step 5: Solve for x
x = 15,431,881,652.50/135,166.64 - Step 6: Final answer
x = 114,169.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.