Finding the Fourth Proportional to 114,770.15, 158,356.86 and 69,446.99
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Solution
The fourth proportional to 114,770.15, 158,356.86 and 69,446.99 is: 95,821.14
Step by Step Solution
- Step 1: Write the proportion equation
114,770.15 : 158,356.86 = 69,446.99 : x - Step 2: Convert to fraction form
114,770.15/158,356.86 = 69,446.99/x - Step 3: Cross multiply
114,770.15x = 158,356.86 × 69,446.99 - Step 4: Simplify right side
114,770.15x = 10,997,406,925.62 - Step 5: Solve for x
x = 10,997,406,925.62/114,770.15 - Step 6: Final answer
x = 95,821.14
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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.