Finding the Fourth Proportional to 113,804.87, 157,050.73 and 62,817.62
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Solution
The fourth proportional to 113,804.87, 157,050.73 and 62,817.62 is: 86,688.32
Step by Step Solution
- Step 1: Write the proportion equation
113,804.87 : 157,050.73 = 62,817.62 : x - Step 2: Convert to fraction form
113,804.87/157,050.73 = 62,817.62/x - Step 3: Cross multiply
113,804.87x = 157,050.73 × 62,817.62 - Step 4: Simplify right side
113,804.87x = 9,865,552,928.78 - Step 5: Solve for x
x = 9,865,552,928.78/113,804.87 - Step 6: Final answer
x = 86,688.32
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1.5x scale
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.