Finding the Fourth Proportional to 138,252.62, 207,167.68 and 93,107.05
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Solution
The fourth proportional to 138,252.62, 207,167.68 and 93,107.05 is: 139,518.30
Step by Step Solution
- Step 1: Write the proportion equation
138,252.62 : 207,167.68 = 93,107.05 : x - Step 2: Convert to fraction form
138,252.62/207,167.68 = 93,107.05/x - Step 3: Cross multiply
138,252.62x = 207,167.68 × 93,107.05 - Step 4: Simplify right side
138,252.62x = 19,288,771,343.21 - Step 5: Solve for x
x = 19,288,771,343.21/138,252.62 - Step 6: Final answer
x = 139,518.30
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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.