Finding the Fourth Proportional to 160,811.93, 221,887.55 and 89,176.75
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Solution
The fourth proportional to 160,811.93, 221,887.55 and 89,176.75 is: 123,045.66
Step by Step Solution
- Step 1: Write the proportion equation
160,811.93 : 221,887.55 = 89,176.75 : x - Step 2: Convert to fraction form
160,811.93/221,887.55 = 89,176.75/x - Step 3: Cross multiply
160,811.93x = 221,887.55 × 89,176.75 - Step 4: Simplify right side
160,811.93x = 19,787,210,242.69 - Step 5: Solve for x
x = 19,787,210,242.69/160,811.93 - Step 6: Final answer
x = 123,045.66
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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.