Finding the Fourth Proportional to 133,486.65, 184,232.25 and 76,126.08
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Solution
The fourth proportional to 133,486.65, 184,232.25 and 76,126.08 is: 105,065.78
Step by Step Solution
- Step 1: Write the proportion equation
133,486.65 : 184,232.25 = 76,126.08 : x - Step 2: Convert to fraction form
133,486.65/184,232.25 = 76,126.08/x - Step 3: Cross multiply
133,486.65x = 184,232.25 × 76,126.08 - Step 4: Simplify right side
133,486.65x = 14,024,879,002.08 - Step 5: Solve for x
x = 14,024,879,002.08/133,486.65 - Step 6: Final answer
x = 105,065.78
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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.