Finding the Fourth Proportional to 131,433.60, 197,184.98 and 68,257.92
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Solution
The fourth proportional to 131,433.60, 197,184.98 and 68,257.92 is: 102,404.84
Step by Step Solution
- Step 1: Write the proportion equation
131,433.60 : 197,184.98 = 68,257.92 : x - Step 2: Convert to fraction form
131,433.60/197,184.98 = 68,257.92/x - Step 3: Cross multiply
131,433.60x = 197,184.98 × 68,257.92 - Step 4: Simplify right side
131,433.60x = 13,459,436,590.04 - Step 5: Solve for x
x = 13,459,436,590.04/131,433.60 - Step 6: Final answer
x = 102,404.84
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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.