Finding the Fourth Proportional to 133,206.37, 183,824.79 and 76,617.75
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Solution
The fourth proportional to 133,206.37, 183,824.79 and 76,617.75 is: 105,732.49
Step by Step Solution
- Step 1: Write the proportion equation
133,206.37 : 183,824.79 = 76,617.75 : x - Step 2: Convert to fraction form
133,206.37/183,824.79 = 76,617.75/x - Step 3: Cross multiply
133,206.37x = 183,824.79 × 76,617.75 - Step 4: Simplify right side
133,206.37x = 14,084,241,804.02 - Step 5: Solve for x
x = 14,084,241,804.02/133,206.37 - Step 6: Final answer
x = 105,732.49
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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.