Finding the Fourth Proportional to 138,668.13, 207,835.02 and 63,684.81
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Solution
The fourth proportional to 138,668.13, 207,835.02 and 63,684.81 is: 95,450.44
Step by Step Solution
- Step 1: Write the proportion equation
138,668.13 : 207,835.02 = 63,684.81 : x - Step 2: Convert to fraction form
138,668.13/207,835.02 = 63,684.81/x - Step 3: Cross multiply
138,668.13x = 207,835.02 × 63,684.81 - Step 4: Simplify right side
138,668.13x = 13,235,933,760.05 - Step 5: Solve for x
x = 13,235,933,760.05/138,668.13 - Step 6: Final answer
x = 95,450.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.