Finding the Fourth Proportional to 134,673.14, 185,850.24 and 74,246.20
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Solution
The fourth proportional to 134,673.14, 185,850.24 and 74,246.20 is: 102,460.48
Step by Step Solution
- Step 1: Write the proportion equation
134,673.14 : 185,850.24 = 74,246.20 : x - Step 2: Convert to fraction form
134,673.14/185,850.24 = 74,246.20/x - Step 3: Cross multiply
134,673.14x = 185,850.24 × 74,246.20 - Step 4: Simplify right side
134,673.14x = 13,798,674,089.09 - Step 5: Solve for x
x = 13,798,674,089.09/134,673.14 - Step 6: Final answer
x = 102,460.48
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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.