Finding the Fourth Proportional to 106,239.68, 159,358.08 and 36,167.84
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Solution
The fourth proportional to 106,239.68, 159,358.08 and 36,167.84 is: 54,251.27
Step by Step Solution
- Step 1: Write the proportion equation
106,239.68 : 159,358.08 = 36,167.84 : x - Step 2: Convert to fraction form
106,239.68/159,358.08 = 36,167.84/x - Step 3: Cross multiply
106,239.68x = 159,358.08 × 36,167.84 - Step 4: Simplify right side
106,239.68x = 5,763,637,540.15 - Step 5: Solve for x
x = 5,763,637,540.15/106,239.68 - Step 6: Final answer
x = 54,251.27
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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.