Finding the Fourth Proportional to 114,806.71, 158,368.55 and 68,854.13
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Solution
The fourth proportional to 114,806.71, 158,368.55 and 68,854.13 is: 94,979.88
Step by Step Solution
- Step 1: Write the proportion equation
114,806.71 : 158,368.55 = 68,854.13 : x - Step 2: Convert to fraction form
114,806.71/158,368.55 = 68,854.13/x - Step 3: Cross multiply
114,806.71x = 158,368.55 × 68,854.13 - Step 4: Simplify right side
114,806.71x = 10,904,328,187.38 - Step 5: Solve for x
x = 10,904,328,187.38/114,806.71 - Step 6: Final answer
x = 94,979.88
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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.