Finding the Fourth Proportional to 133,068.05, 183,606.48 and 76,468.49
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Solution
The fourth proportional to 133,068.05, 183,606.48 and 76,468.49 is: 105,510.75
Step by Step Solution
- Step 1: Write the proportion equation
133,068.05 : 183,606.48 = 76,468.49 : x - Step 2: Convert to fraction form
133,068.05/183,606.48 = 76,468.49/x - Step 3: Cross multiply
133,068.05x = 183,606.48 × 76,468.49 - Step 4: Simplify right side
133,068.05x = 14,040,110,050.31 - Step 5: Solve for x
x = 14,040,110,050.31/133,068.05 - Step 6: Final answer
x = 105,510.75
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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.