Finding the Fourth Proportional to 132,999.24, 183,542.58 and 79,288.68
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Solution
The fourth proportional to 132,999.24, 183,542.58 and 79,288.68 is: 109,420.54
Step by Step Solution
- Step 1: Write the proportion equation
132,999.24 : 183,542.58 = 79,288.68 : x - Step 2: Convert to fraction form
132,999.24/183,542.58 = 79,288.68/x - Step 3: Cross multiply
132,999.24x = 183,542.58 × 79,288.68 - Step 4: Simplify right side
132,999.24x = 14,552,848,891.99 - Step 5: Solve for x
x = 14,552,848,891.99/132,999.24 - Step 6: Final answer
x = 109,420.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.