Finding the Fourth Proportional to 134,803.07, 186,026.93 and 74,374.20
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Solution
The fourth proportional to 134,803.07, 186,026.93 and 74,374.20 is: 102,635.68
Step by Step Solution
- Step 1: Write the proportion equation
134,803.07 : 186,026.93 = 74,374.20 : x - Step 2: Convert to fraction form
134,803.07/186,026.93 = 74,374.20/x - Step 3: Cross multiply
134,803.07x = 186,026.93 × 74,374.20 - Step 4: Simplify right side
134,803.07x = 13,835,604,004.24 - Step 5: Solve for x
x = 13,835,604,004.24/134,803.07 - Step 6: Final answer
x = 102,635.68
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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.