Finding the Fourth Proportional to 134,845.85, 201,807.98 and 118,257.05
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Solution
The fourth proportional to 134,845.85, 201,807.98 and 118,257.05 is: 176,981.46
Step by Step Solution
- Step 1: Write the proportion equation
134,845.85 : 201,807.98 = 118,257.05 : x - Step 2: Convert to fraction form
134,845.85/201,807.98 = 118,257.05/x - Step 3: Cross multiply
134,845.85x = 201,807.98 × 118,257.05 - Step 4: Simplify right side
134,845.85x = 23,865,215,789.97 - Step 5: Solve for x
x = 23,865,215,789.97/134,845.85 - Step 6: Final answer
x = 176,981.46
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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.