Finding the Fourth Proportional to 110,953.97, 153,119.18 and 67,347.02
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Solution
The fourth proportional to 110,953.97, 153,119.18 and 67,347.02 is: 92,940.52
Step by Step Solution
- Step 1: Write the proportion equation
110,953.97 : 153,119.18 = 67,347.02 : x - Step 2: Convert to fraction form
110,953.97/153,119.18 = 67,347.02/x - Step 3: Cross multiply
110,953.97x = 153,119.18 × 67,347.02 - Step 4: Simplify right side
110,953.97x = 10,312,119,375.51 - Step 5: Solve for x
x = 10,312,119,375.51/110,953.97 - Step 6: Final answer
x = 92,940.52
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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.