Finding the Fourth Proportional to 150,655.14, 207,932.67 and 99,668.88
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Solution
The fourth proportional to 150,655.14, 207,932.67 and 99,668.88 is: 137,561.96
Step by Step Solution
- Step 1: Write the proportion equation
150,655.14 : 207,932.67 = 99,668.88 : x - Step 2: Convert to fraction form
150,655.14/207,932.67 = 99,668.88/x - Step 3: Cross multiply
150,655.14x = 207,932.67 × 99,668.88 - Step 4: Simplify right side
150,655.14x = 20,724,416,334.31 - Step 5: Solve for x
x = 20,724,416,334.31/150,655.14 - Step 6: Final answer
x = 137,561.96
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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.