Finding the Fourth Proportional to 135,580.14, 187,106.85 and 75,152.07
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Solution
The fourth proportional to 135,580.14, 187,106.85 and 75,152.07 is: 103,713.32
Step by Step Solution
- Step 1: Write the proportion equation
135,580.14 : 187,106.85 = 75,152.07 : x - Step 2: Convert to fraction form
135,580.14/187,106.85 = 75,152.07/x - Step 3: Cross multiply
135,580.14x = 187,106.85 × 75,152.07 - Step 4: Simplify right side
135,580.14x = 14,061,467,088.68 - Step 5: Solve for x
x = 14,061,467,088.68/135,580.14 - Step 6: Final answer
x = 103,713.32
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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.