Finding the Fourth Proportional to 134,421.70, 201,632.55 and 92,949.70
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Solution
The fourth proportional to 134,421.70, 201,632.55 and 92,949.70 is: 139,424.55
Step by Step Solution
- Step 1: Write the proportion equation
134,421.70 : 201,632.55 = 92,949.70 : x - Step 2: Convert to fraction form
134,421.70/201,632.55 = 92,949.70/x - Step 3: Cross multiply
134,421.70x = 201,632.55 × 92,949.70 - Step 4: Simplify right side
134,421.70x = 18,741,685,032.74 - Step 5: Solve for x
x = 18,741,685,032.74/134,421.70 - Step 6: Final answer
x = 139,424.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.