Finding the Fourth Proportional to 130,122.28, 195,202.86 and 41,378.68
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Solution
The fourth proportional to 130,122.28, 195,202.86 and 41,378.68 is: 62,074.20
Step by Step Solution
- Step 1: Write the proportion equation
130,122.28 : 195,202.86 = 41,378.68 : x - Step 2: Convert to fraction form
130,122.28/195,202.86 = 41,378.68/x - Step 3: Cross multiply
130,122.28x = 195,202.86 × 41,378.68 - Step 4: Simplify right side
130,122.28x = 8,077,236,679.02 - Step 5: Solve for x
x = 8,077,236,679.02/130,122.28 - Step 6: Final answer
x = 62,074.20
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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.