Finding the Fourth Proportional to 92,099.12, 138,148.68 and 60,927.08
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Solution
The fourth proportional to 92,099.12, 138,148.68 and 60,927.08 is: 91,390.62
Step by Step Solution
- Step 1: Write the proportion equation
92,099.12 : 138,148.68 = 60,927.08 : x - Step 2: Convert to fraction form
92,099.12/138,148.68 = 60,927.08/x - Step 3: Cross multiply
92,099.12x = 138,148.68 × 60,927.08 - Step 4: Simplify right side
92,099.12x = 8,416,995,678.25 - Step 5: Solve for x
x = 8,416,995,678.25/92,099.12 - Step 6: Final answer
x = 91,390.62
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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.