Finding the Fourth Proportional to 145,614.21, 201,009.62 and 97,895.24
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Solution
The fourth proportional to 145,614.21, 201,009.62 and 97,895.24 is: 135,137.12
Step by Step Solution
- Step 1: Write the proportion equation
145,614.21 : 201,009.62 = 97,895.24 : x - Step 2: Convert to fraction form
145,614.21/201,009.62 = 97,895.24/x - Step 3: Cross multiply
145,614.21x = 201,009.62 × 97,895.24 - Step 4: Simplify right side
145,614.21x = 19,677,884,992.21 - Step 5: Solve for x
x = 19,677,884,992.21/145,614.21 - Step 6: Final answer
x = 135,137.12
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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.