Finding the Fourth Proportional to 141,076.01, 194,684.09 and 77,416.08
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Solution
The fourth proportional to 141,076.01, 194,684.09 and 77,416.08 is: 106,833.75
Step by Step Solution
- Step 1: Write the proportion equation
141,076.01 : 194,684.09 = 77,416.08 : x - Step 2: Convert to fraction form
141,076.01/194,684.09 = 77,416.08/x - Step 3: Cross multiply
141,076.01x = 194,684.09 × 77,416.08 - Step 4: Simplify right side
141,076.01x = 15,071,678,699.09 - Step 5: Solve for x
x = 15,071,678,699.09/141,076.01 - Step 6: Final answer
x = 106,833.75
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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.