Finding the Fourth Proportional to 135,928.53, 187,583.58 and 75,503.07
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Solution
The fourth proportional to 135,928.53, 187,583.58 and 75,503.07 is: 104,195.46
Step by Step Solution
- Step 1: Write the proportion equation
135,928.53 : 187,583.58 = 75,503.07 : x - Step 2: Convert to fraction form
135,928.53/187,583.58 = 75,503.07/x - Step 3: Cross multiply
135,928.53x = 187,583.58 × 75,503.07 - Step 4: Simplify right side
135,928.53x = 14,163,136,171.59 - Step 5: Solve for x
x = 14,163,136,171.59/135,928.53 - Step 6: Final answer
x = 104,195.46
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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.