Finding the Fourth Proportional to 133,539.90, 184,285.12 and 73,114.46
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Solution
The fourth proportional to 133,539.90, 184,285.12 and 73,114.46 is: 100,897.99
Step by Step Solution
- Step 1: Write the proportion equation
133,539.90 : 184,285.12 = 73,114.46 : x - Step 2: Convert to fraction form
133,539.90/184,285.12 = 73,114.46/x - Step 3: Cross multiply
133,539.90x = 184,285.12 × 73,114.46 - Step 4: Simplify right side
133,539.90x = 13,473,907,034.84 - Step 5: Solve for x
x = 13,473,907,034.84/133,539.90 - Step 6: Final answer
x = 100,897.99
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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.