Finding the Fourth Proportional to 134,906.19, 186,165.65 and 74,475.53
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Solution
The fourth proportional to 134,906.19, 186,165.65 and 74,475.53 is: 102,773.53
Step by Step Solution
- Step 1: Write the proportion equation
134,906.19 : 186,165.65 = 74,475.53 : x - Step 2: Convert to fraction form
134,906.19/186,165.65 = 74,475.53/x - Step 3: Cross multiply
134,906.19x = 186,165.65 × 74,475.53 - Step 4: Simplify right side
134,906.19x = 13,864,785,451.54 - Step 5: Solve for x
x = 13,864,785,451.54/134,906.19 - Step 6: Final answer
x = 102,773.53
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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.