Finding the Fourth Proportional to 135,959.05, 203,868.52 and 61,014.95
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Solution
The fourth proportional to 135,959.05, 203,868.52 and 61,014.95 is: 91,490.98
Step by Step Solution
- Step 1: Write the proportion equation
135,959.05 : 203,868.52 = 61,014.95 : x - Step 2: Convert to fraction form
135,959.05/203,868.52 = 61,014.95/x - Step 3: Cross multiply
135,959.05x = 203,868.52 × 61,014.95 - Step 4: Simplify right side
135,959.05x = 12,439,027,490.21 - Step 5: Solve for x
x = 12,439,027,490.21/135,959.05 - Step 6: Final answer
x = 91,490.98
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1.5x scale
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.