Finding the Fourth Proportional to 134,516.99, 185,634.63 and 74,089.71
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Solution
The fourth proportional to 134,516.99, 185,634.63 and 74,089.71 is: 102,244.45
Step by Step Solution
- Step 1: Write the proportion equation
134,516.99 : 185,634.63 = 74,089.71 : x - Step 2: Convert to fraction form
134,516.99/185,634.63 = 74,089.71/x - Step 3: Cross multiply
134,516.99x = 185,634.63 × 74,089.71 - Step 4: Simplify right side
134,516.99x = 13,753,615,902.66 - Step 5: Solve for x
x = 13,753,615,902.66/134,516.99 - Step 6: Final answer
x = 102,244.45
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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.