Finding the Fourth Proportional to 133,762.70, 184,472.97 and 88,486.94
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Solution
The fourth proportional to 133,762.70, 184,472.97 and 88,486.94 is: 122,032.89
Step by Step Solution
- Step 1: Write the proportion equation
133,762.70 : 184,472.97 = 88,486.94 : x - Step 2: Convert to fraction form
133,762.70/184,472.97 = 88,486.94/x - Step 3: Cross multiply
133,762.70x = 184,472.97 × 88,486.94 - Step 4: Simplify right side
133,762.70x = 16,323,448,628.01 - Step 5: Solve for x
x = 16,323,448,628.01/133,762.70 - Step 6: Final answer
x = 122,032.89
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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.