Finding the Fourth Proportional to 113,810.08, 170,434.32 and 84,889.60
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Solution
The fourth proportional to 113,810.08, 170,434.32 and 84,889.60 is: 127,124.95
Step by Step Solution
- Step 1: Write the proportion equation
113,810.08 : 170,434.32 = 84,889.60 : x - Step 2: Convert to fraction form
113,810.08/170,434.32 = 84,889.60/x - Step 3: Cross multiply
113,810.08x = 170,434.32 × 84,889.60 - Step 4: Simplify right side
113,810.08x = 14,468,101,251.07 - Step 5: Solve for x
x = 14,468,101,251.07/113,810.08 - Step 6: Final answer
x = 127,124.95
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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.