Finding the Fourth Proportional to 97,673.14, 147,241.80 and 91,163.13
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Solution
The fourth proportional to 97,673.14, 147,241.80 and 91,163.13 is: 137,427.99
Step by Step Solution
- Step 1: Write the proportion equation
97,673.14 : 147,241.80 = 91,163.13 : x - Step 2: Convert to fraction form
97,673.14/147,241.80 = 91,163.13/x - Step 3: Cross multiply
97,673.14x = 147,241.80 × 91,163.13 - Step 4: Simplify right side
97,673.14x = 13,423,022,899.02 - Step 5: Solve for x
x = 13,423,022,899.02/97,673.14 - Step 6: Final answer
x = 137,427.99
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.