Finding the Fourth Proportional to 135,330.08, 186,750.77 and 74,900.84
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Solution
The fourth proportional to 135,330.08, 186,750.77 and 74,900.84 is: 103,360.53
Step by Step Solution
- Step 1: Write the proportion equation
135,330.08 : 186,750.77 = 74,900.84 : x - Step 2: Convert to fraction form
135,330.08/186,750.77 = 74,900.84/x - Step 3: Cross multiply
135,330.08x = 186,750.77 × 74,900.84 - Step 4: Simplify right side
135,330.08x = 13,987,788,235.39 - Step 5: Solve for x
x = 13,987,788,235.39/135,330.08 - Step 6: Final answer
x = 103,360.53
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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.