Finding the Fourth Proportional to 97,110.80, 136,231.60 and 97,110.80
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Solution
The fourth proportional to 97,110.80, 136,231.60 and 97,110.80 is: 136,231.60
Step by Step Solution
- Step 1: Write the proportion equation
97,110.80 : 136,231.60 = 97,110.80 : x - Step 2: Convert to fraction form
97,110.80/136,231.60 = 97,110.80/x - Step 3: Cross multiply
97,110.80x = 136,231.60 × 97,110.80 - Step 4: Simplify right side
97,110.80x = 13,229,559,661.28 - Step 5: Solve for x
x = 13,229,559,661.28/97,110.80 - Step 6: Final answer
x = 136,231.60
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.