Finding the Fourth Proportional to 133,008.84, 183,552.12 and 76,420.08
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Solution
The fourth proportional to 133,008.84, 183,552.12 and 76,420.08 is: 105,459.66
Step by Step Solution
- Step 1: Write the proportion equation
133,008.84 : 183,552.12 = 76,420.08 : x - Step 2: Convert to fraction form
133,008.84/183,552.12 = 76,420.08/x - Step 3: Cross multiply
133,008.84x = 183,552.12 × 76,420.08 - Step 4: Simplify right side
133,008.84x = 14,027,067,694.57 - Step 5: Solve for x
x = 14,027,067,694.57/133,008.84 - Step 6: Final answer
x = 105,459.66
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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.