Finding the Fourth Proportional to 109,976.66, 151,770.99 and 62,228.98
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Solution
The fourth proportional to 109,976.66, 151,770.99 and 62,228.98 is: 85,877.80
Step by Step Solution
- Step 1: Write the proportion equation
109,976.66 : 151,770.99 = 62,228.98 : x - Step 2: Convert to fraction form
109,976.66/151,770.99 = 62,228.98/x - Step 3: Cross multiply
109,976.66x = 151,770.99 × 62,228.98 - Step 4: Simplify right side
109,976.66x = 9,444,553,901.29 - Step 5: Solve for x
x = 9,444,553,901.29/109,976.66 - Step 6: Final answer
x = 85,877.80
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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.