Finding the Fourth Proportional to 106,644.88, 147,169.47 and 58,897.99
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Solution
The fourth proportional to 106,644.88, 147,169.47 and 58,897.99 is: 81,278.97
Step by Step Solution
- Step 1: Write the proportion equation
106,644.88 : 147,169.47 = 58,897.99 : x - Step 2: Convert to fraction form
106,644.88/147,169.47 = 58,897.99/x - Step 3: Cross multiply
106,644.88x = 147,169.47 × 58,897.99 - Step 4: Simplify right side
106,644.88x = 8,667,985,972.37 - Step 5: Solve for x
x = 8,667,985,972.37/106,644.88 - Step 6: Final answer
x = 81,278.97
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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.