Finding the Fourth Proportional to 145,612.42, 201,007.14 and 97,893.45
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Solution
The fourth proportional to 145,612.42, 201,007.14 and 97,893.45 is: 135,134.64
Step by Step Solution
- Step 1: Write the proportion equation
145,612.42 : 201,007.14 = 97,893.45 : x - Step 2: Convert to fraction form
145,612.42/201,007.14 = 97,893.45/x - Step 3: Cross multiply
145,612.42x = 201,007.14 × 97,893.45 - Step 4: Simplify right side
145,612.42x = 19,677,282,409.23 - Step 5: Solve for x
x = 19,677,282,409.23/145,612.42 - Step 6: Final answer
x = 135,134.64
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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.