Finding the Fourth Proportional to 115,635.06, 173,201.90 and 112,812.62
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Solution
The fourth proportional to 115,635.06, 173,201.90 and 112,812.62 is: 168,974.35
Step by Step Solution
- Step 1: Write the proportion equation
115,635.06 : 173,201.90 = 112,812.62 : x - Step 2: Convert to fraction form
115,635.06/173,201.90 = 112,812.62/x - Step 3: Cross multiply
115,635.06x = 173,201.90 × 112,812.62 - Step 4: Simplify right side
115,635.06x = 19,539,358,697.91 - Step 5: Solve for x
x = 19,539,358,697.91/115,635.06 - Step 6: Final answer
x = 168,974.35
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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.