Finding the Fourth Proportional to 133,387.39, 184,080.50 and 76,816.99
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Solution
The fourth proportional to 133,387.39, 184,080.50 and 76,816.99 is: 106,010.84
Step by Step Solution
- Step 1: Write the proportion equation
133,387.39 : 184,080.50 = 76,816.99 : x - Step 2: Convert to fraction form
133,387.39/184,080.50 = 76,816.99/x - Step 3: Cross multiply
133,387.39x = 184,080.50 × 76,816.99 - Step 4: Simplify right side
133,387.39x = 14,140,509,543.61 - Step 5: Solve for x
x = 14,140,509,543.61/133,387.39 - Step 6: Final answer
x = 106,010.84
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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.