Finding the Fourth Proportional to 109,088.20, 163,430.70 and 62,201.80
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Solution
The fourth proportional to 109,088.20, 163,430.70 and 62,201.80 is: 93,187.75
Step by Step Solution
- Step 1: Write the proportion equation
109,088.20 : 163,430.70 = 62,201.80 : x - Step 2: Convert to fraction form
109,088.20/163,430.70 = 62,201.80/x - Step 3: Cross multiply
109,088.20x = 163,430.70 × 62,201.80 - Step 4: Simplify right side
109,088.20x = 10,165,683,715.26 - Step 5: Solve for x
x = 10,165,683,715.26/109,088.20 - Step 6: Final answer
x = 93,187.75
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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.