Finding the Fourth Proportional to 110,235.09, 152,120.03 and 64,914.99
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Solution
The fourth proportional to 110,235.09, 152,120.03 and 64,914.99 is: 89,580.09
Step by Step Solution
- Step 1: Write the proportion equation
110,235.09 : 152,120.03 = 64,914.99 : x - Step 2: Convert to fraction form
110,235.09/152,120.03 = 64,914.99/x - Step 3: Cross multiply
110,235.09x = 152,120.03 × 64,914.99 - Step 4: Simplify right side
110,235.09x = 9,874,869,331.22 - Step 5: Solve for x
x = 9,874,869,331.22/110,235.09 - Step 6: Final answer
x = 89,580.09
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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.