Finding the Fourth Proportional to 122,443.68, 168,817.04 and 93,797.28
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Solution
The fourth proportional to 122,443.68, 168,817.04 and 93,797.28 is: 129,321.33
Step by Step Solution
- Step 1: Write the proportion equation
122,443.68 : 168,817.04 = 93,797.28 : x - Step 2: Convert to fraction form
122,443.68/168,817.04 = 93,797.28/x - Step 3: Cross multiply
122,443.68x = 168,817.04 × 93,797.28 - Step 4: Simplify right side
122,443.68x = 15,834,579,169.65 - Step 5: Solve for x
x = 15,834,579,169.65/122,443.68 - Step 6: Final answer
x = 129,321.33
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1.5x scale
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.