Finding the Fourth Proportional to 134,926.60, 186,201.62 and 74,501.07
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Solution
The fourth proportional to 134,926.60, 186,201.62 and 74,501.07 is: 102,813.07
Step by Step Solution
- Step 1: Write the proportion equation
134,926.60 : 186,201.62 = 74,501.07 : x - Step 2: Convert to fraction form
134,926.60/186,201.62 = 74,501.07/x - Step 3: Cross multiply
134,926.60x = 186,201.62 × 74,501.07 - Step 4: Simplify right side
134,926.60x = 13,872,218,977.20 - Step 5: Solve for x
x = 13,872,218,977.20/134,926.60 - Step 6: Final answer
x = 102,813.07
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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.