Finding the Fourth Proportional to 106,887.80, 160,331.70 and 41,223.80
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Solution
The fourth proportional to 106,887.80, 160,331.70 and 41,223.80 is: 61,835.70
Step by Step Solution
- Step 1: Write the proportion equation
106,887.80 : 160,331.70 = 41,223.80 : x - Step 2: Convert to fraction form
106,887.80/160,331.70 = 41,223.80/x - Step 3: Cross multiply
106,887.80x = 160,331.70 × 41,223.80 - Step 4: Simplify right side
106,887.80x = 6,609,481,934.46 - Step 5: Solve for x
x = 6,609,481,934.46/106,887.80 - Step 6: Final answer
x = 61,835.70
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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.