Finding the Fourth Proportional to 135,338.24, 186,771.20 and 77,973.08
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Solution
The fourth proportional to 135,338.24, 186,771.20 and 77,973.08 is: 107,605.39
Step by Step Solution
- Step 1: Write the proportion equation
135,338.24 : 186,771.20 = 77,973.08 : x - Step 2: Convert to fraction form
135,338.24/186,771.20 = 77,973.08/x - Step 3: Cross multiply
135,338.24x = 186,771.20 × 77,973.08 - Step 4: Simplify right side
135,338.24x = 14,563,124,395.57 - Step 5: Solve for x
x = 14,563,124,395.57/135,338.24 - Step 6: Final answer
x = 107,605.39
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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.