Finding the Fourth Proportional to 155,167.18, 214,130.84 and 88,099.18
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Solution
The fourth proportional to 155,167.18, 214,130.84 and 88,099.18 is: 121,576.94
Step by Step Solution
- Step 1: Write the proportion equation
155,167.18 : 214,130.84 = 88,099.18 : x - Step 2: Convert to fraction form
155,167.18/214,130.84 = 88,099.18/x - Step 3: Cross multiply
155,167.18x = 214,130.84 × 88,099.18 - Step 4: Simplify right side
155,167.18x = 18,864,751,416.71 - Step 5: Solve for x
x = 18,864,751,416.71/155,167.18 - Step 6: Final answer
x = 121,576.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.