Finding the Fourth Proportional to 101,378.24, 152,151.60 and 54,045.08
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Solution
The fourth proportional to 101,378.24, 152,151.60 and 54,045.08 is: 81,112.53
Step by Step Solution
- Step 1: Write the proportion equation
101,378.24 : 152,151.60 = 54,045.08 : x - Step 2: Convert to fraction form
101,378.24/152,151.60 = 54,045.08/x - Step 3: Cross multiply
101,378.24x = 152,151.60 × 54,045.08 - Step 4: Simplify right side
101,378.24x = 8,223,045,394.13 - Step 5: Solve for x
x = 8,223,045,394.13/101,378.24 - Step 6: Final answer
x = 81,112.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.