Finding the Fourth Proportional to 133,817.75, 184,668.50 and 74,201.75
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Solution
The fourth proportional to 133,817.75, 184,668.50 and 74,201.75 is: 102,398.42
Step by Step Solution
- Step 1: Write the proportion equation
133,817.75 : 184,668.50 = 74,201.75 : x - Step 2: Convert to fraction form
133,817.75/184,668.50 = 74,201.75/x - Step 3: Cross multiply
133,817.75x = 184,668.50 × 74,201.75 - Step 4: Simplify right side
133,817.75x = 13,702,725,498.87 - Step 5: Solve for x
x = 13,702,725,498.87/133,817.75 - Step 6: Final answer
x = 102,398.42
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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.