Finding the Fourth Proportional to 125,301.28, 187,953.14 and 100,308.74
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Solution
The fourth proportional to 125,301.28, 187,953.14 and 100,308.74 is: 150,464.09
Step by Step Solution
- Step 1: Write the proportion equation
125,301.28 : 187,953.14 = 100,308.74 : x - Step 2: Convert to fraction form
125,301.28/187,953.14 = 100,308.74/x - Step 3: Cross multiply
125,301.28x = 187,953.14 × 100,308.74 - Step 4: Simplify right side
125,301.28x = 18,853,342,652.44 - Step 5: Solve for x
x = 18,853,342,652.44/125,301.28 - Step 6: Final answer
x = 150,464.09
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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.