Finding the Fourth Proportional to 134,420.70, 201,631.05 and 92,948.70
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Solution
The fourth proportional to 134,420.70, 201,631.05 and 92,948.70 is: 139,423.05
Step by Step Solution
- Step 1: Write the proportion equation
134,420.70 : 201,631.05 = 92,948.70 : x - Step 2: Convert to fraction form
134,420.70/201,631.05 = 92,948.70/x - Step 3: Cross multiply
134,420.70x = 201,631.05 × 92,948.70 - Step 4: Simplify right side
134,420.70x = 18,741,343,977.14 - Step 5: Solve for x
x = 18,741,343,977.14/134,420.70 - Step 6: Final answer
x = 139,423.05
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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.