Finding the Fourth Proportional to 106,580.70, 159,957.45 and 103,124.70
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Solution
The fourth proportional to 106,580.70, 159,957.45 and 103,124.70 is: 154,770.65
Step by Step Solution
- Step 1: Write the proportion equation
106,580.70 : 159,957.45 = 103,124.70 : x - Step 2: Convert to fraction form
106,580.70/159,957.45 = 103,124.70/x - Step 3: Cross multiply
106,580.70x = 159,957.45 × 103,124.70 - Step 4: Simplify right side
106,580.70x = 16,495,564,044.02 - Step 5: Solve for x
x = 16,495,564,044.02/106,580.70 - Step 6: Final answer
x = 154,770.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.