Finding the Fourth Proportional to 106,817.67, 147,395.52 and 59,064.48
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Solution
The fourth proportional to 106,817.67, 147,395.52 and 59,064.48 is: 81,501.87
Step by Step Solution
- Step 1: Write the proportion equation
106,817.67 : 147,395.52 = 59,064.48 : x - Step 2: Convert to fraction form
106,817.67/147,395.52 = 59,064.48/x - Step 3: Cross multiply
106,817.67x = 147,395.52 × 59,064.48 - Step 4: Simplify right side
106,817.67x = 8,705,839,743.13 - Step 5: Solve for x
x = 8,705,839,743.13/106,817.67 - Step 6: Final answer
x = 81,501.87
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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.