Finding the Fourth Proportional to 127,800.95, 176,362.95 and 69,658.19
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Solution
The fourth proportional to 127,800.95, 176,362.95 and 69,658.19 is: 96,127.01
Step by Step Solution
- Step 1: Write the proportion equation
127,800.95 : 176,362.95 = 69,658.19 : x - Step 2: Convert to fraction form
127,800.95/176,362.95 = 69,658.19/x - Step 3: Cross multiply
127,800.95x = 176,362.95 × 69,658.19 - Step 4: Simplify right side
127,800.95x = 12,285,123,920.83 - Step 5: Solve for x
x = 12,285,123,920.83/127,800.95 - Step 6: Final answer
x = 96,127.01
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1.5x scale
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.