Finding the Fourth Proportional to 148,654.74, 205,153.66 and 84,124.02
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Solution
The fourth proportional to 148,654.74, 205,153.66 and 84,124.02 is: 116,096.87
Step by Step Solution
- Step 1: Write the proportion equation
148,654.74 : 205,153.66 = 84,124.02 : x - Step 2: Convert to fraction form
148,654.74/205,153.66 = 84,124.02/x - Step 3: Cross multiply
148,654.74x = 205,153.66 × 84,124.02 - Step 4: Simplify right side
148,654.74x = 17,258,350,596.91 - Step 5: Solve for x
x = 17,258,350,596.91/148,654.74 - Step 6: Final answer
x = 116,096.87
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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.