Finding the Fourth Proportional to 146,619.96, 202,459.64 and 93,000.12
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Solution
The fourth proportional to 146,619.96, 202,459.64 and 93,000.12 is: 128,418.88
Step by Step Solution
- Step 1: Write the proportion equation
146,619.96 : 202,459.64 = 93,000.12 : x - Step 2: Convert to fraction form
146,619.96/202,459.64 = 93,000.12/x - Step 3: Cross multiply
146,619.96x = 202,459.64 × 93,000.12 - Step 4: Simplify right side
146,619.96x = 18,828,770,815.16 - Step 5: Solve for x
x = 18,828,770,815.16/146,619.96 - Step 6: Final answer
x = 128,418.88
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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.