Finding the Fourth Proportional to 161,534.64, 222,884.02 and 97,860.14
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Solution
The fourth proportional to 161,534.64, 222,884.02 and 97,860.14 is: 135,026.53
Step by Step Solution
- Step 1: Write the proportion equation
161,534.64 : 222,884.02 = 97,860.14 : x - Step 2: Convert to fraction form
161,534.64/222,884.02 = 97,860.14/x - Step 3: Cross multiply
161,534.64x = 222,884.02 × 97,860.14 - Step 4: Simplify right side
161,534.64x = 21,811,461,400.96 - Step 5: Solve for x
x = 21,811,461,400.96/161,534.64 - Step 6: Final answer
x = 135,026.53
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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.