Finding the Fourth Proportional to 134,684.99, 185,866.62 and 74,254.08
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Solution
The fourth proportional to 134,684.99, 185,866.62 and 74,254.08 is: 102,471.36
Step by Step Solution
- Step 1: Write the proportion equation
134,684.99 : 185,866.62 = 74,254.08 : x - Step 2: Convert to fraction form
134,684.99/185,866.62 = 74,254.08/x - Step 3: Cross multiply
134,684.99x = 185,866.62 × 74,254.08 - Step 4: Simplify right side
134,684.99x = 13,801,354,347.63 - Step 5: Solve for x
x = 13,801,354,347.63/134,684.99 - Step 6: Final answer
x = 102,471.36
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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.