Finding the Fourth Proportional to 125,836.35, 173,679.03 and 72,157.65
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Solution
The fourth proportional to 125,836.35, 173,679.03 and 72,157.65 is: 99,591.82
Step by Step Solution
- Step 1: Write the proportion equation
125,836.35 : 173,679.03 = 72,157.65 : x - Step 2: Convert to fraction form
125,836.35/173,679.03 = 72,157.65/x - Step 3: Cross multiply
125,836.35x = 173,679.03 × 72,157.65 - Step 4: Simplify right side
125,836.35x = 12,532,270,659.08 - Step 5: Solve for x
x = 12,532,270,659.08/125,836.35 - Step 6: Final answer
x = 99,591.82
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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.