Finding the Fourth Proportional to 135,737.26, 187,311.10 and 75,307.26
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Solution
The fourth proportional to 135,737.26, 187,311.10 and 75,307.26 is: 103,920.51
Step by Step Solution
- Step 1: Write the proportion equation
135,737.26 : 187,311.10 = 75,307.26 : x - Step 2: Convert to fraction form
135,737.26/187,311.10 = 75,307.26/x - Step 3: Cross multiply
135,737.26x = 187,311.10 × 75,307.26 - Step 4: Simplify right side
135,737.26x = 14,105,885,708.59 - Step 5: Solve for x
x = 14,105,885,708.59/135,737.26 - Step 6: Final answer
x = 103,920.51
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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.