Finding the Fourth Proportional to 138,033.80, 207,269.40 and 100,854.80
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Solution
The fourth proportional to 138,033.80, 207,269.40 and 100,854.80 is: 151,441.99
Step by Step Solution
- Step 1: Write the proportion equation
138,033.80 : 207,269.40 = 100,854.80 : x - Step 2: Convert to fraction form
138,033.80/207,269.40 = 100,854.80/x - Step 3: Cross multiply
138,033.80x = 207,269.40 × 100,854.80 - Step 4: Simplify right side
138,033.80x = 20,904,113,883.12 - Step 5: Solve for x
x = 20,904,113,883.12/138,033.80 - Step 6: Final answer
x = 151,441.99
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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.