Finding the Fourth Proportional to 134,102.70, 201,283.65 and 81,614.70
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Solution
The fourth proportional to 134,102.70, 201,283.65 and 81,614.70 is: 122,500.92
Step by Step Solution
- Step 1: Write the proportion equation
134,102.70 : 201,283.65 = 81,614.70 : x - Step 2: Convert to fraction form
134,102.70/201,283.65 = 81,614.70/x - Step 3: Cross multiply
134,102.70x = 201,283.65 × 81,614.70 - Step 4: Simplify right side
134,102.70x = 16,427,704,709.66 - Step 5: Solve for x
x = 16,427,704,709.66/134,102.70 - Step 6: Final answer
x = 122,500.92
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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.