Finding the Fourth Proportional to 134,825.47, 186,058.93 and 74,396.07
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Solution
The fourth proportional to 134,825.47, 186,058.93 and 74,396.07 is: 102,666.46
Step by Step Solution
- Step 1: Write the proportion equation
134,825.47 : 186,058.93 = 74,396.07 : x - Step 2: Convert to fraction form
134,825.47/186,058.93 = 74,396.07/x - Step 3: Cross multiply
134,825.47x = 186,058.93 × 74,396.07 - Step 4: Simplify right side
134,825.47x = 13,842,053,180.41 - Step 5: Solve for x
x = 13,842,053,180.41/134,825.47 - Step 6: Final answer
x = 102,666.46
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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.