Finding the Fourth Proportional to 145,612.68, 201,007.48 and 97,893.70
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Solution
The fourth proportional to 145,612.68, 201,007.48 and 97,893.70 is: 135,134.98
Step by Step Solution
- Step 1: Write the proportion equation
145,612.68 : 201,007.48 = 97,893.70 : x - Step 2: Convert to fraction form
145,612.68/201,007.48 = 97,893.70/x - Step 3: Cross multiply
145,612.68x = 201,007.48 × 97,893.70 - Step 4: Simplify right side
145,612.68x = 19,677,365,944.88 - Step 5: Solve for x
x = 19,677,365,944.88/145,612.68 - Step 6: Final answer
x = 135,134.98
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1.5x scale
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.