Finding the Fourth Proportional to 133,878.08, 184,751.84 and 74,262.08
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Solution
The fourth proportional to 133,878.08, 184,751.84 and 74,262.08 is: 102,481.72
Step by Step Solution
- Step 1: Write the proportion equation
133,878.08 : 184,751.84 = 74,262.08 : x - Step 2: Convert to fraction form
133,878.08/184,751.84 = 74,262.08/x - Step 3: Cross multiply
133,878.08x = 184,751.84 × 74,262.08 - Step 4: Simplify right side
133,878.08x = 13,720,055,922.23 - Step 5: Solve for x
x = 13,720,055,922.23/133,878.08 - Step 6: Final answer
x = 102,481.72
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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.