Finding the Fourth Proportional to 133,723.74, 184,544.79 and 76,368.06
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Solution
The fourth proportional to 133,723.74, 184,544.79 and 76,368.06 is: 105,391.37
Step by Step Solution
- Step 1: Write the proportion equation
133,723.74 : 184,544.79 = 76,368.06 : x - Step 2: Convert to fraction form
133,723.74/184,544.79 = 76,368.06/x - Step 3: Cross multiply
133,723.74x = 184,544.79 × 76,368.06 - Step 4: Simplify right side
133,723.74x = 14,093,327,595.41 - Step 5: Solve for x
x = 14,093,327,595.41/133,723.74 - Step 6: Final answer
x = 105,391.37
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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.