Finding the Fourth Proportional to 145,638.07, 201,042.48 and 97,919.08
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Solution
The fourth proportional to 145,638.07, 201,042.48 and 97,919.08 is: 135,169.98
Step by Step Solution
- Step 1: Write the proportion equation
145,638.07 : 201,042.48 = 97,919.08 : x - Step 2: Convert to fraction form
145,638.07/201,042.48 = 97,919.08/x - Step 3: Cross multiply
145,638.07x = 201,042.48 × 97,919.08 - Step 4: Simplify right side
145,638.07x = 19,685,894,682.52 - Step 5: Solve for x
x = 19,685,894,682.52/145,638.07 - Step 6: Final answer
x = 135,169.98
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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.