Finding the Fourth Proportional to 133,817.95, 184,668.75 and 74,201.95
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Solution
The fourth proportional to 133,817.95, 184,668.75 and 74,201.95 is: 102,398.68
Step by Step Solution
- Step 1: Write the proportion equation
133,817.95 : 184,668.75 = 74,201.95 : x - Step 2: Convert to fraction form
133,817.95/184,668.75 = 74,201.95/x - Step 3: Cross multiply
133,817.95x = 184,668.75 × 74,201.95 - Step 4: Simplify right side
133,817.95x = 13,702,780,430.72 - Step 5: Solve for x
x = 13,702,780,430.72/133,817.95 - Step 6: Final answer
x = 102,398.68
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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.