Finding the Fourth Proportional to 104,970.13, 157,289.95 and 65,468.05
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Solution
The fourth proportional to 104,970.13, 157,289.95 and 65,468.05 is: 98,099.01
Step by Step Solution
- Step 1: Write the proportion equation
104,970.13 : 157,289.95 = 65,468.05 : x - Step 2: Convert to fraction form
104,970.13/157,289.95 = 65,468.05/x - Step 3: Cross multiply
104,970.13x = 157,289.95 × 65,468.05 - Step 4: Simplify right side
104,970.13x = 10,297,466,311.10 - Step 5: Solve for x
x = 10,297,466,311.10/104,970.13 - Step 6: Final answer
x = 98,099.01
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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.