Finding the Fourth Proportional to 134,819.90, 202,132.65 and 75,673.70
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Solution
The fourth proportional to 134,819.90, 202,132.65 and 75,673.70 is: 113,455.99
Step by Step Solution
- Step 1: Write the proportion equation
134,819.90 : 202,132.65 = 75,673.70 : x - Step 2: Convert to fraction form
134,819.90/202,132.65 = 75,673.70/x - Step 3: Cross multiply
134,819.90x = 202,132.65 × 75,673.70 - Step 4: Simplify right side
134,819.90x = 15,296,125,516.31 - Step 5: Solve for x
x = 15,296,125,516.31/134,819.90 - Step 6: Final answer
x = 113,455.99
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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.