Finding the Fourth Proportional to 100,246.76, 149,996.40 and 99,125.70
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Solution
The fourth proportional to 100,246.76, 149,996.40 and 99,125.70 is: 148,318.99
Step by Step Solution
- Step 1: Write the proportion equation
100,246.76 : 149,996.40 = 99,125.70 : x - Step 2: Convert to fraction form
100,246.76/149,996.40 = 99,125.70/x - Step 3: Cross multiply
100,246.76x = 149,996.40 × 99,125.70 - Step 4: Simplify right side
100,246.76x = 14,868,498,147.48 - Step 5: Solve for x
x = 14,868,498,147.48/100,246.76 - Step 6: Final answer
x = 148,318.99
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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.