Finding the Fourth Proportional to 103,130.28, 142,293.24 and 60,680.88
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Solution
The fourth proportional to 103,130.28, 142,293.24 and 60,680.88 is: 83,723.99
Step by Step Solution
- Step 1: Write the proportion equation
103,130.28 : 142,293.24 = 60,680.88 : x - Step 2: Convert to fraction form
103,130.28/142,293.24 = 60,680.88/x - Step 3: Cross multiply
103,130.28x = 142,293.24 × 60,680.88 - Step 4: Simplify right side
103,130.28x = 8,634,479,021.25 - Step 5: Solve for x
x = 8,634,479,021.25/103,130.28 - Step 6: Final answer
x = 83,723.99
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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.