Finding the Fourth Proportional to 136,320.24, 188,069.64 and 84,613.08
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Solution
The fourth proportional to 136,320.24, 188,069.64 and 84,613.08 is: 116,733.59
Step by Step Solution
- Step 1: Write the proportion equation
136,320.24 : 188,069.64 = 84,613.08 : x - Step 2: Convert to fraction form
136,320.24/188,069.64 = 84,613.08/x - Step 3: Cross multiply
136,320.24x = 188,069.64 × 84,613.08 - Step 4: Simplify right side
136,320.24x = 15,913,151,494.89 - Step 5: Solve for x
x = 15,913,151,494.89/136,320.24 - Step 6: Final answer
x = 116,733.59
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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.