Finding the Fourth Proportional to 122,756.44, 168,669.76 and 97,562.20
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Solution
The fourth proportional to 122,756.44, 168,669.76 and 97,562.20 is: 134,052.38
Step by Step Solution
- Step 1: Write the proportion equation
122,756.44 : 168,669.76 = 97,562.20 : x - Step 2: Convert to fraction form
122,756.44/168,669.76 = 97,562.20/x - Step 3: Cross multiply
122,756.44x = 168,669.76 × 97,562.20 - Step 4: Simplify right side
122,756.44x = 16,455,792,859.07 - Step 5: Solve for x
x = 16,455,792,859.07/122,756.44 - Step 6: Final answer
x = 134,052.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.