Finding the Fourth Proportional to 134,614.39, 185,769.08 and 74,187.19
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Solution
The fourth proportional to 134,614.39, 185,769.08 and 74,187.19 is: 102,379.00
Step by Step Solution
- Step 1: Write the proportion equation
134,614.39 : 185,769.08 = 74,187.19 : x - Step 2: Convert to fraction form
134,614.39/185,769.08 = 74,187.19/x - Step 3: Cross multiply
134,614.39x = 185,769.08 × 74,187.19 - Step 4: Simplify right side
134,614.39x = 13,781,686,034.09 - Step 5: Solve for x
x = 13,781,686,034.09/134,614.39 - Step 6: Final answer
x = 102,379.00
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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.