Finding the Fourth Proportional to 137,955.24, 206,801.62 and 87,894.80
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Solution
The fourth proportional to 137,955.24, 206,801.62 and 87,894.80 is: 131,758.58
Step by Step Solution
- Step 1: Write the proportion equation
137,955.24 : 206,801.62 = 87,894.80 : x - Step 2: Convert to fraction form
137,955.24/206,801.62 = 87,894.80/x - Step 3: Cross multiply
137,955.24x = 206,801.62 × 87,894.80 - Step 4: Simplify right side
137,955.24x = 18,176,787,029.58 - Step 5: Solve for x
x = 18,176,787,029.58/137,955.24 - Step 6: Final answer
x = 131,758.58
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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.