Finding the Fourth Proportional to 133,876.99, 184,598.76 and 85,414.08
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Solution
The fourth proportional to 133,876.99, 184,598.76 and 85,414.08 is: 117,774.78
Step by Step Solution
- Step 1: Write the proportion equation
133,876.99 : 184,598.76 = 85,414.08 : x - Step 2: Convert to fraction form
133,876.99/184,598.76 = 85,414.08/x - Step 3: Cross multiply
133,876.99x = 184,598.76 × 85,414.08 - Step 4: Simplify right side
133,876.99x = 15,767,333,254.54 - Step 5: Solve for x
x = 15,767,333,254.54/133,876.99 - Step 6: Final answer
x = 117,774.78
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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.