Finding the Fourth Proportional to 145,613.43, 201,008.51 and 97,894.44
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Solution
The fourth proportional to 145,613.43, 201,008.51 and 97,894.44 is: 135,135.99
Step by Step Solution
- Step 1: Write the proportion equation
145,613.43 : 201,008.51 = 97,894.44 : x - Step 2: Convert to fraction form
145,613.43/201,008.51 = 97,894.44/x - Step 3: Cross multiply
145,613.43x = 201,008.51 × 97,894.44 - Step 4: Simplify right side
145,613.43x = 19,677,615,521.68 - Step 5: Solve for x
x = 19,677,615,521.68/145,613.43 - Step 6: Final answer
x = 135,135.99
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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.