Finding the Fourth Proportional to 134,705.43, 201,696.48 and 75,372.12
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Solution
The fourth proportional to 134,705.43, 201,696.48 and 75,372.12 is: 112,855.82
Step by Step Solution
- Step 1: Write the proportion equation
134,705.43 : 201,696.48 = 75,372.12 : x - Step 2: Convert to fraction form
134,705.43/201,696.48 = 75,372.12/x - Step 3: Cross multiply
134,705.43x = 201,696.48 × 75,372.12 - Step 4: Simplify right side
134,705.43x = 15,202,291,294.14 - Step 5: Solve for x
x = 15,202,291,294.14/134,705.43 - Step 6: Final answer
x = 112,855.82
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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.