Finding the Fourth Proportional to 133,817.45, 184,668.06 and 74,201.45
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Solution
The fourth proportional to 133,817.45, 184,668.06 and 74,201.45 is: 102,397.99
Step by Step Solution
- Step 1: Write the proportion equation
133,817.45 : 184,668.06 = 74,201.45 : x - Step 2: Convert to fraction form
133,817.45/184,668.06 = 74,201.45/x - Step 3: Cross multiply
133,817.45x = 184,668.06 × 74,201.45 - Step 4: Simplify right side
133,817.45x = 13,702,636,897.35 - Step 5: Solve for x
x = 13,702,636,897.35/133,817.45 - Step 6: Final answer
x = 102,397.99
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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.