Finding the Fourth Proportional to 145,632.63, 201,035.22 and 97,913.66
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Solution
The fourth proportional to 145,632.63, 201,035.22 and 97,913.66 is: 135,162.66
Step by Step Solution
- Step 1: Write the proportion equation
145,632.63 : 201,035.22 = 97,913.66 : x - Step 2: Convert to fraction form
145,632.63/201,035.22 = 97,913.66/x - Step 3: Cross multiply
145,632.63x = 201,035.22 × 97,913.66 - Step 4: Simplify right side
145,632.63x = 19,684,093,173.93 - Step 5: Solve for x
x = 19,684,093,173.93/145,632.63 - Step 6: Final answer
x = 135,162.66
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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.