Finding the Fourth Proportional to 134,126.20, 185,110.24 and 80,440.75
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Solution
The fourth proportional to 134,126.20, 185,110.24 and 80,440.75 is: 111,017.88
Step by Step Solution
- Step 1: Write the proportion equation
134,126.20 : 185,110.24 = 80,440.75 : x - Step 2: Convert to fraction form
134,126.20/185,110.24 = 80,440.75/x - Step 3: Cross multiply
134,126.20x = 185,110.24 × 80,440.75 - Step 4: Simplify right side
134,126.20x = 14,890,406,538.28 - Step 5: Solve for x
x = 14,890,406,538.28/134,126.20 - Step 6: Final answer
x = 111,017.88
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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.