Finding the Fourth Proportional to 122,221.01, 168,664.43 and 68,506.02
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Solution
The fourth proportional to 122,221.01, 168,664.43 and 68,506.02 is: 94,537.99
Step by Step Solution
- Step 1: Write the proportion equation
122,221.01 : 168,664.43 = 68,506.02 : x - Step 2: Convert to fraction form
122,221.01/168,664.43 = 68,506.02/x - Step 3: Cross multiply
122,221.01x = 168,664.43 × 68,506.02 - Step 4: Simplify right side
122,221.01x = 11,554,528,986.13 - Step 5: Solve for x
x = 11,554,528,986.13/122,221.01 - Step 6: Final answer
x = 94,537.99
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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.