Finding the Fourth Proportional to 134,706.43, 201,697.98 and 75,373.12
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Solution
The fourth proportional to 134,706.43, 201,697.98 and 75,373.12 is: 112,857.32
Step by Step Solution
- Step 1: Write the proportion equation
134,706.43 : 201,697.98 = 75,373.12 : x - Step 2: Convert to fraction form
134,706.43/201,697.98 = 75,373.12/x - Step 3: Cross multiply
134,706.43x = 201,697.98 × 75,373.12 - Step 4: Simplify right side
134,706.43x = 15,202,606,050.30 - Step 5: Solve for x
x = 15,202,606,050.30/134,706.43 - Step 6: Final answer
x = 112,857.32
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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.