Finding the Fourth Proportional to 135,807.41, 203,911.08 and 75,953.15
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Solution
The fourth proportional to 135,807.41, 203,911.08 and 75,953.15 is: 114,041.56
Step by Step Solution
- Step 1: Write the proportion equation
135,807.41 : 203,911.08 = 75,953.15 : x - Step 2: Convert to fraction form
135,807.41/203,911.08 = 75,953.15/x - Step 3: Cross multiply
135,807.41x = 203,911.08 × 75,953.15 - Step 4: Simplify right side
135,807.41x = 15,487,688,306.19 - Step 5: Solve for x
x = 15,487,688,306.19/135,807.41 - Step 6: Final answer
x = 114,041.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.