Finding the Fourth Proportional to 140,210.42, 193,369.65 and 124,917.62
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Solution
The fourth proportional to 140,210.42, 193,369.65 and 124,917.62 is: 172,278.75
Step by Step Solution
- Step 1: Write the proportion equation
140,210.42 : 193,369.65 = 124,917.62 : x - Step 2: Convert to fraction form
140,210.42/193,369.65 = 124,917.62/x - Step 3: Cross multiply
140,210.42x = 193,369.65 × 124,917.62 - Step 4: Simplify right side
140,210.42x = 24,155,276,458.23 - Step 5: Solve for x
x = 24,155,276,458.23/140,210.42 - Step 6: Final answer
x = 172,278.75
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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.