Finding the Fourth Proportional to 103,668.41, 155,560.01 and 96,139.65
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Solution
The fourth proportional to 103,668.41, 155,560.01 and 96,139.65 is: 144,262.70
Step by Step Solution
- Step 1: Write the proportion equation
103,668.41 : 155,560.01 = 96,139.65 : x - Step 2: Convert to fraction form
103,668.41/155,560.01 = 96,139.65/x - Step 3: Cross multiply
103,668.41x = 155,560.01 × 96,139.65 - Step 4: Simplify right side
103,668.41x = 14,955,484,915.40 - Step 5: Solve for x
x = 14,955,484,915.40/103,668.41 - Step 6: Final answer
x = 144,262.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.