Finding the Fourth Proportional to 134,238.87, 185,231.61 and 83,232.99
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Solution
The fourth proportional to 134,238.87, 185,231.61 and 83,232.99 is: 114,850.35
Step by Step Solution
- Step 1: Write the proportion equation
134,238.87 : 185,231.61 = 83,232.99 : x - Step 2: Convert to fraction form
134,238.87/185,231.61 = 83,232.99/x - Step 3: Cross multiply
134,238.87x = 185,231.61 × 83,232.99 - Step 4: Simplify right side
134,238.87x = 15,417,380,742.81 - Step 5: Solve for x
x = 15,417,380,742.81/134,238.87 - Step 6: Final answer
x = 114,850.35
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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.