Finding the Fourth Proportional to 115,688.43, 173,334.60 and 63,134.82
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Solution
The fourth proportional to 115,688.43, 173,334.60 and 63,134.82 is: 94,594.15
Step by Step Solution
- Step 1: Write the proportion equation
115,688.43 : 173,334.60 = 63,134.82 : x - Step 2: Convert to fraction form
115,688.43/173,334.60 = 63,134.82/x - Step 3: Cross multiply
115,688.43x = 173,334.60 × 63,134.82 - Step 4: Simplify right side
115,688.43x = 10,943,448,770.77 - Step 5: Solve for x
x = 10,943,448,770.77/115,688.43 - Step 6: Final answer
x = 94,594.15
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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.