Finding the Fourth Proportional to 141,819.08, 195,731.94 and 107,772.08
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Solution
The fourth proportional to 141,819.08, 195,731.94 and 107,772.08 is: 148,741.89
Step by Step Solution
- Step 1: Write the proportion equation
141,819.08 : 195,731.94 = 107,772.08 : x - Step 2: Convert to fraction form
141,819.08/195,731.94 = 107,772.08/x - Step 3: Cross multiply
141,819.08x = 195,731.94 × 107,772.08 - Step 4: Simplify right side
141,819.08x = 21,094,438,296.24 - Step 5: Solve for x
x = 21,094,438,296.24/141,819.08 - Step 6: Final answer
x = 148,741.89
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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.