Finding the Fourth Proportional to 134,129.70, 201,121.65 and 55,251.90
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Solution
The fourth proportional to 134,129.70, 201,121.65 and 55,251.90 is: 82,847.82
Step by Step Solution
- Step 1: Write the proportion equation
134,129.70 : 201,121.65 = 55,251.90 : x - Step 2: Convert to fraction form
134,129.70/201,121.65 = 55,251.90/x - Step 3: Cross multiply
134,129.70x = 201,121.65 × 55,251.90 - Step 4: Simplify right side
134,129.70x = 11,112,353,293.64 - Step 5: Solve for x
x = 11,112,353,293.64/134,129.70 - Step 6: Final answer
x = 82,847.82
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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.