Finding the Fourth Proportional to 133,035.84, 183,589.20 and 76,447.08
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Solution
The fourth proportional to 133,035.84, 183,589.20 and 76,447.08 is: 105,496.82
Step by Step Solution
- Step 1: Write the proportion equation
133,035.84 : 183,589.20 = 76,447.08 : x - Step 2: Convert to fraction form
133,035.84/183,589.20 = 76,447.08/x - Step 3: Cross multiply
133,035.84x = 183,589.20 × 76,447.08 - Step 4: Simplify right side
133,035.84x = 14,034,858,259.54 - Step 5: Solve for x
x = 14,034,858,259.54/133,035.84 - Step 6: Final answer
x = 105,496.82
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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.