Finding the Fourth Proportional to 131,981.08, 197,971.74 and 32,140.48
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Solution
The fourth proportional to 131,981.08, 197,971.74 and 32,140.48 is: 48,210.75
Step by Step Solution
- Step 1: Write the proportion equation
131,981.08 : 197,971.74 = 32,140.48 : x - Step 2: Convert to fraction form
131,981.08/197,971.74 = 32,140.48/x - Step 3: Cross multiply
131,981.08x = 197,971.74 × 32,140.48 - Step 4: Simplify right side
131,981.08x = 6,362,906,750.04 - Step 5: Solve for x
x = 6,362,906,750.04/131,981.08 - Step 6: Final answer
x = 48,210.75
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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.