Finding the Fourth Proportional to 133,469.19, 184,224.68 and 76,140.41
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Solution
The fourth proportional to 133,469.19, 184,224.68 and 76,140.41 is: 105,094.98
Step by Step Solution
- Step 1: Write the proportion equation
133,469.19 : 184,224.68 = 76,140.41 : x - Step 2: Convert to fraction form
133,469.19/184,224.68 = 76,140.41/x - Step 3: Cross multiply
133,469.19x = 184,224.68 × 76,140.41 - Step 4: Simplify right side
133,469.19x = 14,026,941,651.02 - Step 5: Solve for x
x = 14,026,941,651.02/133,469.19 - Step 6: Final answer
x = 105,094.98
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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.