Finding the Fourth Proportional to 168,052.29, 231,923.62 and 102,669.09
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Solution
The fourth proportional to 168,052.29, 231,923.62 and 102,669.09 is: 141,690.34
Step by Step Solution
- Step 1: Write the proportion equation
168,052.29 : 231,923.62 = 102,669.09 : x - Step 2: Convert to fraction form
168,052.29/231,923.62 = 102,669.09/x - Step 3: Cross multiply
168,052.29x = 231,923.62 × 102,669.09 - Step 4: Simplify right side
168,052.29x = 23,811,386,273.53 - Step 5: Solve for x
x = 23,811,386,273.53/168,052.29 - Step 6: Final answer
x = 141,690.34
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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.