Finding the Fourth Proportional to 135,181.96, 202,894.82 and 72,054.66
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Solution
The fourth proportional to 135,181.96, 202,894.82 and 72,054.66 is: 108,146.96
Step by Step Solution
- Step 1: Write the proportion equation
135,181.96 : 202,894.82 = 72,054.66 : x - Step 2: Convert to fraction form
135,181.96/202,894.82 = 72,054.66/x - Step 3: Cross multiply
135,181.96x = 202,894.82 × 72,054.66 - Step 4: Simplify right side
135,181.96x = 14,619,518,346.96 - Step 5: Solve for x
x = 14,619,518,346.96/135,181.96 - Step 6: Final answer
x = 108,146.96
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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.