Finding the Fourth Proportional to 133,974.81, 184,847.36 and 86,255.79
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Solution
The fourth proportional to 133,974.81, 184,847.36 and 86,255.79 is: 119,008.60
Step by Step Solution
- Step 1: Write the proportion equation
133,974.81 : 184,847.36 = 86,255.79 : x - Step 2: Convert to fraction form
133,974.81/184,847.36 = 86,255.79/x - Step 3: Cross multiply
133,974.81x = 184,847.36 × 86,255.79 - Step 4: Simplify right side
133,974.81x = 15,944,155,066.21 - Step 5: Solve for x
x = 15,944,155,066.21/133,974.81 - Step 6: Final answer
x = 119,008.60
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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.