Finding the Fourth Proportional to 133,699.36, 184,499.70 and 79,952.68
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Solution
The fourth proportional to 133,699.36, 184,499.70 and 79,952.68 is: 110,331.46
Step by Step Solution
- Step 1: Write the proportion equation
133,699.36 : 184,499.70 = 79,952.68 : x - Step 2: Convert to fraction form
133,699.36/184,499.70 = 79,952.68/x - Step 3: Cross multiply
133,699.36x = 184,499.70 × 79,952.68 - Step 4: Simplify right side
133,699.36x = 14,751,245,474.20 - Step 5: Solve for x
x = 14,751,245,474.20/133,699.36 - Step 6: Final answer
x = 110,331.46
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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.