Finding the Fourth Proportional to 134,817.46, 186,051.99 and 74,391.99
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Solution
The fourth proportional to 134,817.46, 186,051.99 and 74,391.99 is: 102,663.10
Step by Step Solution
- Step 1: Write the proportion equation
134,817.46 : 186,051.99 = 74,391.99 : x - Step 2: Convert to fraction form
134,817.46/186,051.99 = 74,391.99/x - Step 3: Cross multiply
134,817.46x = 186,051.99 × 74,391.99 - Step 4: Simplify right side
134,817.46x = 13,840,778,145.94 - Step 5: Solve for x
x = 13,840,778,145.94/134,817.46 - Step 6: Final answer
x = 102,663.10
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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.