Finding the Fourth Proportional to 101,251.24, 139,734.37 and 58,243.90
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Solution
The fourth proportional to 101,251.24, 139,734.37 and 58,243.90 is: 80,380.99
Step by Step Solution
- Step 1: Write the proportion equation
101,251.24 : 139,734.37 = 58,243.90 : x - Step 2: Convert to fraction form
101,251.24/139,734.37 = 58,243.90/x - Step 3: Cross multiply
101,251.24x = 139,734.37 × 58,243.90 - Step 4: Simplify right side
101,251.24x = 8,138,674,672.84 - Step 5: Solve for x
x = 8,138,674,672.84/101,251.24 - Step 6: Final answer
x = 80,380.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.