Finding the Fourth Proportional to 140,188.14, 193,452.30 and 76,524.84
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Solution
The fourth proportional to 140,188.14, 193,452.30 and 76,524.84 is: 105,600.28
Step by Step Solution
- Step 1: Write the proportion equation
140,188.14 : 193,452.30 = 76,524.84 : x - Step 2: Convert to fraction form
140,188.14/193,452.30 = 76,524.84/x - Step 3: Cross multiply
140,188.14x = 193,452.30 × 76,524.84 - Step 4: Simplify right side
140,188.14x = 14,803,906,305.13 - Step 5: Solve for x
x = 14,803,906,305.13/140,188.14 - Step 6: Final answer
x = 105,600.28
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1.5x scale
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.