Finding the Fourth Proportional to 125,808.46, 173,670.16 and 89,936.26
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Solution
The fourth proportional to 125,808.46, 173,670.16 and 89,936.26 is: 124,150.99
Step by Step Solution
- Step 1: Write the proportion equation
125,808.46 : 173,670.16 = 89,936.26 : x - Step 2: Convert to fraction form
125,808.46/173,670.16 = 89,936.26/x - Step 3: Cross multiply
125,808.46x = 173,670.16 × 89,936.26 - Step 4: Simplify right side
125,808.46x = 15,619,244,664.00 - Step 5: Solve for x
x = 15,619,244,664.00/125,808.46 - Step 6: Final answer
x = 124,150.99
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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.