Finding the Fourth Proportional to 106,695.49, 147,227.23 and 58,945.99
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Solution
The fourth proportional to 106,695.49, 147,227.23 and 58,945.99 is: 81,338.53
Step by Step Solution
- Step 1: Write the proportion equation
106,695.49 : 147,227.23 = 58,945.99 : x - Step 2: Convert to fraction form
106,695.49/147,227.23 = 58,945.99/x - Step 3: Cross multiply
106,695.49x = 147,227.23 × 58,945.99 - Step 4: Simplify right side
106,695.49x = 8,678,454,827.31 - Step 5: Solve for x
x = 8,678,454,827.31/106,695.49 - Step 6: Final answer
x = 81,338.53
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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.