Finding the Fourth Proportional to 135,602.00, 187,113.44 and 75,172.08
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Solution
The fourth proportional to 135,602.00, 187,113.44 and 75,172.08 is: 103,727.88
Step by Step Solution
- Step 1: Write the proportion equation
135,602.00 : 187,113.44 = 75,172.08 : x - Step 2: Convert to fraction form
135,602.00/187,113.44 = 75,172.08/x - Step 3: Cross multiply
135,602.00x = 187,113.44 × 75,172.08 - Step 4: Simplify right side
135,602.00x = 14,065,707,370.36 - Step 5: Solve for x
x = 14,065,707,370.36/135,602.00 - Step 6: Final answer
x = 103,727.88
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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.