Finding the Fourth Proportional to 135,465.90, 186,937.63 and 75,039.09
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Solution
The fourth proportional to 135,465.90, 186,937.63 and 75,039.09 is: 103,551.00
Step by Step Solution
- Step 1: Write the proportion equation
135,465.90 : 186,937.63 = 75,039.09 : x - Step 2: Convert to fraction form
135,465.90/186,937.63 = 75,039.09/x - Step 3: Cross multiply
135,465.90x = 186,937.63 × 75,039.09 - Step 4: Simplify right side
135,465.90x = 14,027,629,641.96 - Step 5: Solve for x
x = 14,027,629,641.96/135,465.90 - Step 6: Final answer
x = 103,551.00
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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.