Finding the Fourth Proportional to 134,416.36, 201,507.90 and 67,800.88
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Solution
The fourth proportional to 134,416.36, 201,507.90 and 67,800.88 is: 101,642.49
Step by Step Solution
- Step 1: Write the proportion equation
134,416.36 : 201,507.90 = 67,800.88 : x - Step 2: Convert to fraction form
134,416.36/201,507.90 = 67,800.88/x - Step 3: Cross multiply
134,416.36x = 201,507.90 × 67,800.88 - Step 4: Simplify right side
134,416.36x = 13,662,412,946.95 - Step 5: Solve for x
x = 13,662,412,946.95/134,416.36 - Step 6: Final answer
x = 101,642.49
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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.