Finding the Fourth Proportional to 106,775.98, 160,260.99 and 56,898.70
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Solution
The fourth proportional to 106,775.98, 160,260.99 and 56,898.70 is: 85,399.75
Step by Step Solution
- Step 1: Write the proportion equation
106,775.98 : 160,260.99 = 56,898.70 : x - Step 2: Convert to fraction form
106,775.98/160,260.99 = 56,898.70/x - Step 3: Cross multiply
106,775.98x = 160,260.99 × 56,898.70 - Step 4: Simplify right side
106,775.98x = 9,118,641,991.71 - Step 5: Solve for x
x = 9,118,641,991.71/106,775.98 - Step 6: Final answer
x = 85,399.75
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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.