Finding the Fourth Proportional to 134,683.68, 185,864.76 and 74,256.48
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Solution
The fourth proportional to 134,683.68, 185,864.76 and 74,256.48 is: 102,474.65
Step by Step Solution
- Step 1: Write the proportion equation
134,683.68 : 185,864.76 = 74,256.48 : x - Step 2: Convert to fraction form
134,683.68/185,864.76 = 74,256.48/x - Step 3: Cross multiply
134,683.68x = 185,864.76 × 74,256.48 - Step 4: Simplify right side
134,683.68x = 13,801,662,833.64 - Step 5: Solve for x
x = 13,801,662,833.64/134,683.68 - Step 6: Final answer
x = 102,474.65
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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.