Finding the Fourth Proportional to 125,125.55, 187,688.27 and 50,245.68
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Solution
The fourth proportional to 125,125.55, 187,688.27 and 50,245.68 is: 75,368.50
Step by Step Solution
- Step 1: Write the proportion equation
125,125.55 : 187,688.27 = 50,245.68 : x - Step 2: Convert to fraction form
125,125.55/187,688.27 = 50,245.68/x - Step 3: Cross multiply
125,125.55x = 187,688.27 × 50,245.68 - Step 4: Simplify right side
125,125.55x = 9,430,524,754.17 - Step 5: Solve for x
x = 9,430,524,754.17/125,125.55 - Step 6: Final answer
x = 75,368.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.