Finding the Fourth Proportional to 135,690.92, 203,533.95 and 55,711.52
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Solution
The fourth proportional to 135,690.92, 203,533.95 and 55,711.52 is: 83,566.28
Step by Step Solution
- Step 1: Write the proportion equation
135,690.92 : 203,533.95 = 55,711.52 : x - Step 2: Convert to fraction form
135,690.92/203,533.95 = 55,711.52/x - Step 3: Cross multiply
135,690.92x = 203,533.95 × 55,711.52 - Step 4: Simplify right side
135,690.92x = 11,339,185,726.10 - Step 5: Solve for x
x = 11,339,185,726.10/135,690.92 - Step 6: Final answer
x = 83,566.28
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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.