Finding the Fourth Proportional to 134,979.53, 186,268.73 and 73,723.68
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Solution
The fourth proportional to 134,979.53, 186,268.73 and 73,723.68 is: 101,737.03
Step by Step Solution
- Step 1: Write the proportion equation
134,979.53 : 186,268.73 = 73,723.68 : x - Step 2: Convert to fraction form
134,979.53/186,268.73 = 73,723.68/x - Step 3: Cross multiply
134,979.53x = 186,268.73 × 73,723.68 - Step 4: Simplify right side
134,979.53x = 13,732,415,875.91 - Step 5: Solve for x
x = 13,732,415,875.91/134,979.53 - Step 6: Final answer
x = 101,737.03
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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.