Finding the Fourth Proportional to 113,909.34, 157,268.79 and 101,951.94
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Solution
The fourth proportional to 113,909.34, 157,268.79 and 101,951.94 is: 140,759.82
Step by Step Solution
- Step 1: Write the proportion equation
113,909.34 : 157,268.79 = 101,951.94 : x - Step 2: Convert to fraction form
113,909.34/157,268.79 = 101,951.94/x - Step 3: Cross multiply
113,909.34x = 157,268.79 × 101,951.94 - Step 4: Simplify right side
113,909.34x = 16,033,858,241.95 - Step 5: Solve for x
x = 16,033,858,241.95/113,909.34 - Step 6: Final answer
x = 140,759.82
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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.