Finding the Fourth Proportional to 102,981.14, 154,494.97 and 55,595.19
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Solution
The fourth proportional to 102,981.14, 154,494.97 and 55,595.19 is: 83,405.34
Step by Step Solution
- Step 1: Write the proportion equation
102,981.14 : 154,494.97 = 55,595.19 : x - Step 2: Convert to fraction form
102,981.14/154,494.97 = 55,595.19/x - Step 3: Cross multiply
102,981.14x = 154,494.97 × 55,595.19 - Step 4: Simplify right side
102,981.14x = 8,589,177,072.21 - Step 5: Solve for x
x = 8,589,177,072.21/102,981.14 - Step 6: Final answer
x = 83,405.34
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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.