Finding the Fourth Proportional to 98,750.73, 148,126.11 and 54,354.63
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Solution
The fourth proportional to 98,750.73, 148,126.11 and 54,354.63 is: 81,531.95
Step by Step Solution
- Step 1: Write the proportion equation
98,750.73 : 148,126.11 = 54,354.63 : x - Step 2: Convert to fraction form
98,750.73/148,126.11 = 54,354.63/x - Step 3: Cross multiply
98,750.73x = 148,126.11 × 54,354.63 - Step 4: Simplify right side
98,750.73x = 8,051,339,902.39 - Step 5: Solve for x
x = 8,051,339,902.39/98,750.73 - Step 6: Final answer
x = 81,531.95
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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.