Finding the Fourth Proportional to 134,933.74, 186,206.26 and 74,502.88
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Solution
The fourth proportional to 134,933.74, 186,206.26 and 74,502.88 is: 102,812.70
Step by Step Solution
- Step 1: Write the proportion equation
134,933.74 : 186,206.26 = 74,502.88 : x - Step 2: Convert to fraction form
134,933.74/186,206.26 = 74,502.88/x - Step 3: Cross multiply
134,933.74x = 186,206.26 × 74,502.88 - Step 4: Simplify right side
134,933.74x = 13,872,902,644.03 - Step 5: Solve for x
x = 13,872,902,644.03/134,933.74 - Step 6: Final answer
x = 102,812.70
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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.