Finding the Fourth Proportional to 134,210.12, 201,199.98 and 74,997.32
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Solution
The fourth proportional to 134,210.12, 201,199.98 and 74,997.32 is: 112,431.61
Step by Step Solution
- Step 1: Write the proportion equation
134,210.12 : 201,199.98 = 74,997.32 : x - Step 2: Convert to fraction form
134,210.12/201,199.98 = 74,997.32/x - Step 3: Cross multiply
134,210.12x = 201,199.98 × 74,997.32 - Step 4: Simplify right side
134,210.12x = 15,089,459,284.05 - Step 5: Solve for x
x = 15,089,459,284.05/134,210.12 - Step 6: Final answer
x = 112,431.61
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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.