Finding the Fourth Proportional to 141,818.08, 195,730.56 and 107,771.08
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Solution
The fourth proportional to 141,818.08, 195,730.56 and 107,771.08 is: 148,740.51
Step by Step Solution
- Step 1: Write the proportion equation
141,818.08 : 195,730.56 = 107,771.08 : x - Step 2: Convert to fraction form
141,818.08/195,730.56 = 107,771.08/x - Step 3: Cross multiply
141,818.08x = 195,730.56 × 107,771.08 - Step 4: Simplify right side
141,818.08x = 21,094,093,840.20 - Step 5: Solve for x
x = 21,094,093,840.20/141,818.08 - Step 6: Final answer
x = 148,740.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.