Finding the Fourth Proportional to 110,257.81, 152,090.82 and 69,356.75
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Solution
The fourth proportional to 110,257.81, 152,090.82 and 69,356.75 is: 95,671.45
Step by Step Solution
- Step 1: Write the proportion equation
110,257.81 : 152,090.82 = 69,356.75 : x - Step 2: Convert to fraction form
110,257.81/152,090.82 = 69,356.75/x - Step 3: Cross multiply
110,257.81x = 152,090.82 × 69,356.75 - Step 4: Simplify right side
110,257.81x = 10,548,524,219.58 - Step 5: Solve for x
x = 10,548,524,219.58/110,257.81 - Step 6: Final answer
x = 95,671.45
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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.