Finding the Fourth Proportional to 192,854.08, 266,136.54 and 107,972.08
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Solution
The fourth proportional to 192,854.08, 266,136.54 and 107,972.08 is: 149,000.30
Step by Step Solution
- Step 1: Write the proportion equation
192,854.08 : 266,136.54 = 107,972.08 : x - Step 2: Convert to fraction form
192,854.08/266,136.54 = 107,972.08/x - Step 3: Cross multiply
192,854.08x = 266,136.54 × 107,972.08 - Step 4: Simplify right side
192,854.08x = 28,735,315,787.80 - Step 5: Solve for x
x = 28,735,315,787.80/192,854.08 - Step 6: Final answer
x = 149,000.30
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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.