Finding the Fourth Proportional to 114,316.25, 157,766.00 and 66,566.75
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Solution
The fourth proportional to 114,316.25, 157,766.00 and 66,566.75 is: 91,867.68
Step by Step Solution
- Step 1: Write the proportion equation
114,316.25 : 157,766.00 = 66,566.75 : x - Step 2: Convert to fraction form
114,316.25/157,766.00 = 66,566.75/x - Step 3: Cross multiply
114,316.25x = 157,766.00 × 66,566.75 - Step 4: Simplify right side
114,316.25x = 10,501,968,758.84 - Step 5: Solve for x
x = 10,501,968,758.84/114,316.25 - Step 6: Final answer
x = 91,867.68
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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.