Finding the Fourth Proportional to 133,977.19, 184,883.73 and 75,832.68
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Solution
The fourth proportional to 133,977.19, 184,883.73 and 75,832.68 is: 104,646.39
Step by Step Solution
- Step 1: Write the proportion equation
133,977.19 : 184,883.73 = 75,832.68 : x - Step 2: Convert to fraction form
133,977.19/184,883.73 = 75,832.68/x - Step 3: Cross multiply
133,977.19x = 184,883.73 × 75,832.68 - Step 4: Simplify right side
133,977.19x = 14,020,228,734.30 - Step 5: Solve for x
x = 14,020,228,734.30/133,977.19 - Step 6: Final answer
x = 104,646.39
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1.5x scale
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.