Finding the Fourth Proportional to 106,185.05, 159,305.35 and 39,625.77
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Solution
The fourth proportional to 106,185.05, 159,305.35 and 39,625.77 is: 59,449.02
Step by Step Solution
- Step 1: Write the proportion equation
106,185.05 : 159,305.35 = 39,625.77 : x - Step 2: Convert to fraction form
106,185.05/159,305.35 = 39,625.77/x - Step 3: Cross multiply
106,185.05x = 159,305.35 × 39,625.77 - Step 4: Simplify right side
106,185.05x = 6,312,597,158.87 - Step 5: Solve for x
x = 6,312,597,158.87/106,185.05 - Step 6: Final answer
x = 59,449.02
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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.