Finding the Fourth Proportional to 134,903.80, 186,167.52 and 74,474.53
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Solution
The fourth proportional to 134,903.80, 186,167.52 and 74,474.53 is: 102,775.00
Step by Step Solution
- Step 1: Write the proportion equation
134,903.80 : 186,167.52 = 74,474.53 : x - Step 2: Convert to fraction form
134,903.80/186,167.52 = 74,474.53/x - Step 3: Cross multiply
134,903.80x = 186,167.52 × 74,474.53 - Step 4: Simplify right side
134,903.80x = 13,864,738,087.85 - Step 5: Solve for x
x = 13,864,738,087.85/134,903.80 - Step 6: Final answer
x = 102,775.00
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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.