Finding the Fourth Proportional to 134,857.96, 201,261.50 and 119,911.56
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Solution
The fourth proportional to 134,857.96, 201,261.50 and 119,911.56 is: 178,955.55
Step by Step Solution
- Step 1: Write the proportion equation
134,857.96 : 201,261.50 = 119,911.56 : x - Step 2: Convert to fraction form
134,857.96/201,261.50 = 119,911.56/x - Step 3: Cross multiply
134,857.96x = 201,261.50 × 119,911.56 - Step 4: Simplify right side
134,857.96x = 24,133,580,432.94 - Step 5: Solve for x
x = 24,133,580,432.94/134,857.96 - Step 6: Final answer
x = 178,955.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.