Finding the Fourth Proportional to 106,986.80, 160,505.58 and 36,864.02
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Solution
The fourth proportional to 106,986.80, 160,505.58 and 36,864.02 is: 55,304.78
Step by Step Solution
- Step 1: Write the proportion equation
106,986.80 : 160,505.58 = 36,864.02 : x - Step 2: Convert to fraction form
106,986.80/160,505.58 = 36,864.02/x - Step 3: Cross multiply
106,986.80x = 160,505.58 × 36,864.02 - Step 4: Simplify right side
106,986.80x = 5,916,880,911.23 - Step 5: Solve for x
x = 5,916,880,911.23/106,986.80 - Step 6: Final answer
x = 55,304.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.